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<!-- Creation Date :2026-04-27T12:17:52.9657+00:00 -->
<!-- Copyright (c) 2026 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income (loss)before income taxes, Foreign</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SoftwareDevelopmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Software Development [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Type [Axis]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_NetIncomeLossAvailableToCommonStockholders_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net income (loss) available to common stockholders.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_NetIncomeLossAvailableToCommonStockholders_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net loss attributable to ordinary shareholders</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_NetProceedsFromIPOAndPartialExerciseOfOver-AllotmentOptionAfterCommissionsAndOfferingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net proceeds from IPO and partial exercise of over-allotment option, after commissions and offering expenses.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Plan Name [Axis]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Par or Stated Value Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Temporary equity, par value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasicAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Basic [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasicAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Numerator:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductOrServiceAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Product and Service [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockVotingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Voting Rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockVotingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock voting rights description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value by Liability Class [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Period Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ProceedsFromConvertibleDebtHoldersInConnectionWithConversionOfConvertibleDebts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash received from the convertible debt holders of Beijing X-Charge Technology in connection with the conversion of convertible debts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ProceedsFromConvertibleDebtHoldersInConnectionWithConversionOfConvertibleDebts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Convertible Debt Holders In Connection With Conversion of Convertible Debts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ProceedsFromConvertibleDebtHoldersInConnectionWithConversionOfConvertibleDebts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from convertible debt holders in connection with conversion of convertible debts.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Contract with Customer [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Shell Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Temporary equity, shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ScheduleOfOutstandingShortTermBankLoanBalancesPayableTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Outstanding Short Term Bank Loan Balances Payable [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ScheduleOfOutstandingShortTermBankLoanBalancesPayableTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of outstanding short-term bank loan balances payable.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ScheduleOfOutstandingShortTermBankLoanBalancesPayableTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Outstanding Short-Term Bank Loan Balances Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Accrued Liabilities, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Others</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible Debts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServiceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Service [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServiceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServiceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Service Revenues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Reporting</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Cash and Cash Equivalents, at Carrying Value, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and cash equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Cash and cash equivalents balances held at financial institutions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ScheduleOfPropertyAndEquipmentEstimatedUsefulLivesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Property and Equipment Estimated Useful Lives [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ScheduleOfPropertyAndEquipmentEstimatedUsefulLivesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tabular disclosure of property and equipment estimated useful lives.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ScheduleOfPropertyAndEquipmentEstimatedUsefulLivesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Property and Equipment Estimated Useful Lives</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockRedemptionTerms_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Redemption Terms</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockRedemptionTerms_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, redemption event</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GovernmentAssistanceOperatingIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Government Assistance, Operating Income, Increase (Decrease)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GovernmentAssistanceOperatingIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Government grants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Condensed Financial Information Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiarySaleOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsidiary, Sale of Stock [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FinancialLiabilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Liability [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FinancialLiabilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financial liability.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FinancialLiabilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management, Strategy, and Governance [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, shares, issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleReportToBoardFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Board of Directors Oversight [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShortTermDebtTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from repayment of loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Right-of-Use Asset Obtained in Exchange for Operating Lease Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Right-of-use assets obtained in exchange for operating lease liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Operating lease right of use assets obtained in exchange of operating lease liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InternalRevenueServiceIRSMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Internal Revenue Service (IRS) [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InternalRevenueServiceIRSMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Internal Revenue Service ("IRS")</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CommonStockSharesRepresentedByEachAmericanDepositaryReceipt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common stock shares represented by each American depositary receipt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CommonStockSharesRepresentedByEachAmericanDepositaryReceipt_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common stock shares represented by each American depositary receipt.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OtherCountryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Others</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OtherCountryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Country [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OtherCountryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Others.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromDebtNetOfIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Debt, Net of Issuance Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromDebtNetOfIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net proceeds</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromCollectionOfAdvanceToAffiliate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Collection of Advance to Affiliate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromCollectionOfAdvanceToAffiliate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from collection of the advance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_StockIssuedDuringPeriodValueUnvestedShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Value Unvested Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_StockIssuedDuringPeriodValueUnvestedShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period value unvested shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_StockIssuedDuringPeriodValueUnvestedShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of unvested shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Contract with Customer [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue recognition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ConsiderationPayableInConnectionWithLongTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consideration payable in connection with long-term investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ConsiderationPayableInConnectionWithLongTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consideration Payable In Connection With Long Term Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ConsiderationPayableInConnectionWithLongTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Consideration payable in connection with long term investments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Filer Category</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ConcentrationOfRiskPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration of Risk [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ConcentrationOfRiskPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Concentration of risk.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ConcentrationOfRiskPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration of Risk</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities and Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total liabilities, mezzanine equity and shareholders' deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities and shareholders' equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VehiclesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Vehicles [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VehiclesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Vehicle</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Lived Tangible Asset [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Fair Value, Liabilities Measured on Recurring Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additions of valuation allowance</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepayments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskThirdPartyOversightAndIdentificationProcessesFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Third Party Oversight and Identification Processes [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LatestTaxYearMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Latest Tax Year [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LatestTaxYearMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Latest Tax Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Valuation Allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less: Valuation allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance at the beginning of the year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance at the end of the year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Valuation allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxesCorporateTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Taxes Corporate Tax Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxesCorporateTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income taxes corporate tax rate.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxesCorporateTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income taxes corporate tax rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ExtinguishmentOfDebtAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Extinguishment of Debt, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ExtinguishmentOfDebtAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Extinguishment of convertible debts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statutory income tax rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">PRC Statutory income tax rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">PRC Statutory income tax rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of new shares per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Issued, Price Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementThirdPartyEngagedFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Third Party Engaged [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Corporate tax rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Effective income tax rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Effective income tax rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Jurisdiction [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Convertible Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from issuance of the convertible debts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SegmentGeographicalDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Geographical [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryFinishedGoods_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory, Finished Goods, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryFinishedGoods_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finished goods</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Income (Loss).</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Effective income tax rate reconciliation, at federal statutory income tax rate, income (loss).</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">PRC Statutory income tax rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_XChargeTechnologyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">XCharge Technology [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_XChargeTechnologyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">XCharge Technology.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_XChargeTechnologyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">X-Charge Technology</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ProvisionForExpectedCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Provision For Expected Credit Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ProvisionForExpectedCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Provision for expected credit losses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ProvisionForExpectedCreditLosses_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Provision for expected credit losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentOtherAccumulatedDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Other, Accumulated Depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentOtherAccumulatedDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total depreciation expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentOtherAccumulatedDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total depreciation expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsNoncurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsNoncurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Noncurrent [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsNoncurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Non-current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DeferredOfferingCostsChargedAgainstAdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred offering costs charged against additional paid in capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DeferredOfferingCostsChargedAgainstAdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred offering costs charged against additional paid-in capital.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DeferredOfferingCostsChargedAgainstAdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred offering costs charged against additional paid-in capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInventoryCurrentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Inventory, Current [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInventoryCurrentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Inventories</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance for expected credit losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, Allowance for Credit Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Accounts Receivable, Allowance for Credit Loss, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Accounts Receivable, Allowance for Credit Loss, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Allowance for expected credit losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional paid - in capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Paid in Capital, Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Borrowings annual interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Interest Rate During Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">- A Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DecreaseOfLeaseLiabilitiesCausedByLeaseModifications_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Decrease of lease liabilities caused by lease modifications</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DecreaseOfLeaseLiabilitiesCausedByLeaseModifications_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Decrease of lease liabilities caused by lease modifications</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Significant Accounting Policies [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Significant Accounting Policies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputRiskFreeInterestRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Risk Free Interest Rate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputRiskFreeInterestRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Risk-free Rate of Return</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Useful Life</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible assets, estimated useful life</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CurrencyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Currency [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfCashAndCashEquivalentsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Cash and Cash Equivalents [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfCashAndCashEquivalentsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Cash and Cash Equivalents, Excluding Cash on Hand are Deposited in Financial Institutions at Locations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDateDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Maturity Date, Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDateDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maturity Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockRedemptionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Redemption Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockRedemptionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preference shares redemption price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ReceivablesFromUnderwriter_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Receivables from Underwriter</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ReceivablesFromUnderwriter_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Receivables from underwriter.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ReceivablesFromUnderwriter_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Receivables from underwriter</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disaggregation of Revenue [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PercentageOfEquityInterestCalculatedOnAFullyDilutedBasisAccordingToWarrantAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Equity Interest Calculated on a Fully Diluted Basis According to Warrant Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PercentageOfEquityInterestCalculatedOnAFullyDilutedBasisAccordingToWarrantAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of equity interest calculated on a fully diluted basis according to warrant agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PercentageOfEquityInterestCalculatedOnAFullyDilutedBasisAccordingToWarrantAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of equity interest calculated on a fully diluted basis according to warrant agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management, Strategy, and Governance [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Loss Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AdoptionOfAccountingStandardsUpdate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adoption Of Accounting Standards Update</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AdoptionOfAccountingStandardsUpdate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of adoption of accounting standards update.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AdoptionOfAccountingStandardsUpdate_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Adoption of ASU</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DebtDefaultLongtermDebtAmountRemainingBalancesSettled_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Default Longterm Debt Amount Remaining Balances Settled</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DebtDefaultLongtermDebtAmountRemainingBalancesSettled_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt default longterm debt amount remaining balances settled..</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DebtDefaultLongtermDebtAmountRemainingBalancesSettled_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Principal and accrued interest amount remaining balances settled</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Net [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_BankOfChinaBeijingGuomaoSubBranchMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Bank of China Beijing Guomao Sub Branch [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_BankOfChinaBeijingGuomaoSubBranchMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Bank of China Beijing Guomao Sub-branch.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_BankOfChinaBeijingGuomaoSubBranchMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Bank of China Beijing Guomao Sub-branch</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PurchasesFromSuppliers_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Purchases from Suppliers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PurchasesFromSuppliers_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Purchases from suppliers.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PurchasesFromSuppliers_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total purchases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Earnings Per Share, Basic, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss per ordinary share-Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Loss per ordinary share - basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disaggregation of Revenue [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityAccretionToRedemptionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Accretion to Redemption Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityAccretionToRedemptionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accretion of redeemable preference shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityAccretionToRedemptionValue_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accretion of redeemable preference shares to redemption value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentShellCompanyReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Shell Company Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign currency translation adjustment, net of nil income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ChangesInFairValueOfConvertibleDebts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Changes in fair value of convertible debts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ChangesInFairValueOfConvertibleDebts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Changes In Fair Value Of Convertible Debts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ChangesInFairValueOfConvertibleDebts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Changes in fair value of convertible debts.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionByUniqueDescriptionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Conversion Description [Axis]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accounts Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjustments to reconcile net loss to net cash used in operating activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Year Five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2030</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_TwoThousandTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Two thousand twenty four.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_TwoThousandTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2024</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ContractWithCustomerLiabilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Contract with customer liability.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ContractWithCustomerLiabilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contract Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivableAfterAllowanceForCreditLossNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Receivable, after Allowance for Credit Loss, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivableAfterAllowanceForCreditLossNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other Receivable, after Allowance for Credit Loss, Noncurrent, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivableAfterAllowanceForCreditLossNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amounts due from subsidiaries -non-current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Reconciliation from Balances of Recurring Fair Value As Level 3</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AdditionalRedemptionPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional redemption percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AdditionalRedemptionPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Additional redemption percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPaidFederalAfterRefundReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">PRC</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPaidFederalAfterRefundReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Paid, Federal, after Refund Received</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPaidFederalAfterRefundReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income Tax Paid, Federal, after Refund Received, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_WorkingCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Working capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_WorkingCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Working capital.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_NextEVLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Next EV Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_NextEVLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Next EV Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_NextEVLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Next EV Limited</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GovernmentAssistanceAwardAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Government grants recognized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GovernmentAssistanceAwardAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Government Assistance, Award Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ParentCompanyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Parent Company [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ParentCompanyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Parent Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ScheduleOfReceivablesFromRelatedPartyTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Balance of Amounts Due from Related Parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ScheduleOfReceivablesFromRelatedPartyTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Receivables From Related Party [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ScheduleOfReceivablesFromRelatedPartyTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of receivables from related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DebtConversionConditionThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Conversion Condition Three [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DebtConversionConditionThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt conversion condition three.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DebtConversionConditionThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Condition 3</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Attributable to Parent [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">SHAREHOLDERS' (DEFICIT) EQUITY:</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PercentageOfCanceledEquityInterests_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Canceled Equity Interests</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PercentageOfCanceledEquityInterests_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of canceled equity interests.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PercentageOfCanceledEquityInterests_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of canceled equity interests</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ConversionOfPreferenceSharesImmediatelyPriorToCompletionOfIPO_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Conversion of Preference Shares Immediately Prior To Completion of IPO</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ConversionOfPreferenceSharesImmediatelyPriorToCompletionOfIPO_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Conversion of preference shares immediately prior to completion of IPO.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ConversionOfPreferenceSharesImmediatelyPriorToCompletionOfIPO_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Conversion of preference shares to Class A ordinary shares immediately prior to the completion of IPO</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accrued Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Increase (Decrease) in Accrued Liabilities, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued expenses and other current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CondensedStatementOfComprehensiveIncomeTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Condensed Statement of Comprehensive Income [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings (Accumulated Deficit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Retained Earnings (Accumulated Deficit), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxExaminationThresholdLimitForTransferPricing_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Examination Threshold Limit for Transfer Pricing</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxExaminationThresholdLimitForTransferPricing_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax examination threshold limit for transfer pricing.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxExaminationThresholdLimitForTransferPricing_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income tax examination statute of limitation for transfer pricing</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preference Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CreditFacilityWithDevelopmentBankOfSingaporeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Facility with Development Bank of Singapore [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CreditFacilityWithDevelopmentBankOfSingaporeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Credit Facility with Development Bank of Singapore.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CreditFacilityWithDevelopmentBankOfSingaporeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit Facility with Development Bank of Singapore</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Well-known Seasoned Issuer</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_LoansFromInvestorCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loans from investor C.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_RepaymentOfOutstandingPrincipalAndInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Repayment of outstanding principal and interest.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_RepaymentOfOutstandingPrincipalAndInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repayment of outstanding principal and interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-Based Compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization, Consolidation and Presentation of Financial Statements [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DebtConversionConditionOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Conversion Condition One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DebtConversionConditionOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt conversion condition one.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DebtConversionConditionOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Condition 1</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeasesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Leases [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Class A [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class A Ordinary Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansPayableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-Term Bank Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansPayableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans Payable [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansPayableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Short-Term Bank Borrowings and Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contract with Customer, Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Contract with Customer, Liability, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Contract liabilities, Beginning balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Contract liabilities, Ending balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductsAndServicesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Product and Service [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LossContingenciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss Contingencies [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Computed income tax benefit with PRC statutory income tax rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Inventories, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AllowanceForDoubtfulAccountsForeignCurrencyTranslationAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Allowance For Doubtful Accounts Foreign Currency Translation Adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AllowanceForDoubtfulAccountsForeignCurrencyTranslationAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Allowance for doubtful accounts, foreign currency translation adjustment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AllowanceForDoubtfulAccountsForeignCurrencyTranslationAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign currency translation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Postal Zip Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Operating Activity, Including Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net cash used in operating activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash used in operating activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentRedemptionPricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Redemption Price, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentRedemptionPricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible debt, repayment simple interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingCodmProfitLossMeasureHowUsedDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskRoleOfManagementTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Role of Management [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Year Three</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2028</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less: Accumulated depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total depreciation expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less: Accumulated depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfDebtDiscountPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization of Debt Discount (Premium)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfDebtDiscountPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization of loan discount related to short-term bank borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentsToPurchasePropertyAndEquipmentAndIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Cash paid for purchase of property and equipment and intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentsToPurchasePropertyAndEquipmentAndIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments To Purchase Property And Equipment And Intangible Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentsToPurchasePropertyAndEquipmentAndIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payments to purchase property and equipment and intangible assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentsToPurchasePropertyAndEquipmentAndIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash paid for purchase of property and equipment and intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPaidByIndividualJurisdictionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Paid, by Individual Jurisdiction [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Interest Rate, Effective Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Effective interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslationAdjustments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Foreign Currency Translation Adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslationAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Foreign Currency Translation Adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslationAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of foreign currency translation adjustments from liability measured at fair value on recurring basis using unobservable input (level 3).</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Earnings (loss) per ordinary share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplemental Cash Flow Information [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supplemental cash flow information:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Foreign Currency Transactions and Translations Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign Currency Translation and Foreign Currency Risks</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ExecutiveOfficersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Executive Officers [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ExecutiveOfficersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Executive officers.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ExecutiveOfficersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Executive Officers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsIncomeTaxesNoncontrollingInterestLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsIncomeTaxesNoncontrollingInterestLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income (loss) from continuing operations before equity method investments income taxes noncontrolling interest.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerDMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer D [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerDMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Customer D.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerDMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer D</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease right-of-use assets, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Right-of-Use Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Right-of-use assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total deferred income tax assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentOfInterestFreeAdvance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment of Interest Free Advance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentOfInterestFreeAdvance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payment of interest free advance.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentOfInterestFreeAdvance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payment of interest free advance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income taxes paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Taxes Paid, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income Taxes Paid, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total income taxes paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GrossProfit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Gross profit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GrossProfit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gross Profit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfRevenueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cost of Revenue [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfRevenueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost of revenue</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ProceedsFromCollectionOfAdvancesToTheFoundersAndExecutiveOfficers_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from collection of advances to the founders and executive officers.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ProceedsFromCollectionOfAdvancesToTheFoundersAndExecutiveOfficers_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from collection of advances to the Founders and executive officers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Central Index Key</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Central Index Key</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, Allowance for Credit Loss, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Allowance for doubtful accounts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel">Balance at the beginning of the year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel">Balance at the end of the year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Cash and Cash Equivalent [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DescriptionOfPeriodExtentionStatuteOfLimitations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Description of Period Extention Statute of Limitations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DescriptionOfPeriodExtentionStatuteOfLimitations_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Description of period extention statute of limitations.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DescriptionOfPeriodExtentionStatuteOfLimitations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Description of period extention statute of limitations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net increase (decrease) in cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net increase (decrease) in cash, cash equivalents and restricted cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Income, Operating</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Interest Income, Operating, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScheduleOfCondensedBalanceSheetTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Condensed Balance Sheet [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScheduleOfCondensedBalanceSheetTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Consolidated Balance Sheets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Antidilutive securities excluded from computation of earnings per share, amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term Borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtLender_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Lender</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtLender_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lender</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, par value</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="currency_USD_lbl" xlink:role="http://www.xbrl.org/2003/role/label">United States of America, Dollars</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="currency_USD_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">USD</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfAdoptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesAngelPreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series Angel Preference Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesAngelPreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series Angel Preference Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesAngelPreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series angel preference shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consideration for warrants granted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">LIABILITIES</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Components of Deferred Tax Assets and Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="currency_EUR_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Euro Member Countries, Euro</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="currency_EUR_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">EUR</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossConversionOfConvertibleDebtsIntoPreferenceShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Conversion Of Convertible Debts Into Preference Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossConversionOfConvertibleDebtsIntoPreferenceShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value measurement with unobservable inputs reconciliation recurring basis liability gain loss conversion of convertible debts into preference shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossConversionOfConvertibleDebtsIntoPreferenceShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Conversion of convertible debts into preference shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFinStmtErrorCorrectionFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Financial Statement Error Correction [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_NetLiabilitiesInSubsidiaries_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Liabilities In Subsidiaries</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_NetLiabilitiesInSubsidiaries_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net liabilities in subsidiaries.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_NetLiabilitiesInSubsidiaries_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net liabilities in subsidiaries</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherPrepaidExpenseCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Prepaid Expense, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherPrepaidExpenseCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Others</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_DE_lbl" xlink:role="http://www.xbrl.org/2003/role/label">GERMANY</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_DE_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Germany</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CondensedCashFlowStatementsCaptionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Condensed Cash Flow Statements, Captions [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ReductionsOfValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reductions Of Valuation Allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ReductionsOfValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reductions of valuation allowance.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ReductionsOfValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Reductions of valuation allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AddressOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Address One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AddressOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Address one member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AddressOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Address One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfRelatedPartyDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Related Party Debt</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PercentageOfRedemptionPriceOfIssuePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of redemption price of issue price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PercentageOfRedemptionPriceOfIssuePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of redemption price of issue price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Restricted Stock Award, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Share issuance from vest of restricted shares units</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfSalesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cost of Sales [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfSalesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost of Revenues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageBasicSharesOutstandingProForma_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Basic Shares Outstanding, Pro Forma</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageBasicSharesOutstandingProForma_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average number of ordinary shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Fiscal Year End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Long-Term Debt Instruments [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReceivablesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Receivables [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdvertisingCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advertising Cost [Policy Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, State or Province</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Number of ADS Outstanding, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Number of ADS Outstanding, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Conversion of Convertible Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Redesignation of Pre-IPO Ordinary Shares into Class A and Class B Ordinary Shares upon initial public offering</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FutureEVLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Future EV Limited [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AccruedIPOAndFollowUpOfferingCost_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Accrued IPO and follow-up offering cost</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialLiabilitiesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Financial Liabilities Fair Value Disclosure, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Preferred Stock, Shares Outstanding, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Preferred Stock, Shares Outstanding, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Preference shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Comprehensive Income (Loss), Net of Tax, Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total comprehensive loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total comprehensive loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AddressTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Address Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AddressTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Address two member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AddressTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Address Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpensePolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Research and Development Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpensePolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Research and Development Expense, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_BeijingX-ChargeTechnologyCoLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Beijing X-Charge Technology Co Ltd [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_BeijingX-ChargeTechnologyCoLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Beijing X-Charge Technology Co Ltd.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_BeijingX-ChargeTechnologyCoLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Beijing X-Charge Technology Co Ltd</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RisksAndUncertaintiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Risks and Uncertainties [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementGeographicalAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Geographical [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityLenderDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Lender [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiabilityRevenueRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contract with Customer, Liability, Revenue Recognized</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AdjustmentOfProceedsFromWarrantLiabilityAllocatedToShortTermBorrowingsTreatedAsDiscountOnLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustment Of Proceeds From Warrant Liability Allocated To Short Term Borrowings Treated As Discount On Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AdjustmentOfProceedsFromWarrantLiabilityAllocatedToShortTermBorrowingsTreatedAsDiscountOnLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Adjustment of proceeds from warrant liability allocated to short term borrowings treated as discount on loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConversionOfStockSharesConverted1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Conversion of Stock, Shares Converted</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryRawMaterials_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory, Raw Materials, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryRawMaterials_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Raw materials</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AccrualOfIPOAndFollowUpOfferingCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrual Of IPO And Follow Up Offering Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AccrualOfIPOAndFollowUpOfferingCost_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accrual of IPO and follow-up offering cost.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AccrualOfIPOAndFollowUpOfferingCost_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Accrual of IPO and follow-up offering cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxesTradeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Taxes Trade Tax Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxesTradeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income taxes trade tax rate.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxesTradeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income taxes trade tax rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other non-deductible expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued Expenses and Other Current Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Deferred Tax Assets and Liabilities [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Deferred Income Tax Assets and Deferred Income Tax Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Asset, Tax Deferred Expense, Reserve and Accrual, Accounts Receivable, Allowance for Credit Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance for credit losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other comprehensive income (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Net of Tax [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_RequiredPercentageOfStatutorySurplusFundOfAfterTaxProfits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Required Percentage of Statutory Surplus Fund of After Tax Profits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_RequiredPercentageOfStatutorySurplusFundOfAfterTaxProfits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Required percentage of statutory surplus fund of after tax profits.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_RequiredPercentageOfStatutorySurplusFundOfAfterTaxProfits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Required percentage of statutory surplus fund</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_TwoThousandTwentyFiveShareIncentivePlanTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Two thousand twenty five share incentive plan two member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_TwoThousandTwentyFiveShareIncentivePlanTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2025 Share Incentive Plan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OfficeAndElectronicEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Office And Electronic Equipment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OfficeAndElectronicEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Office and electronic equipment.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other non-current assets</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Less: Other Non-Current Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement Inputs and Valuation Techniques [Table]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PRCSubsidiariesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">PRC Subsidiaries</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PRCSubsidiariesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">PRC Subsidiaries [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PRCSubsidiariesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">PRC subsidiaries.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYearSix_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards Expiration Year Six</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYearSix_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Operating loss carryforwards expiration year six.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYearSix_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2031</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible assets, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsIntangibleAssetsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPaidForeignAfterRefundReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Paid, Foreign, after Refund Received</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Convertible, Number of Equity Instruments</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossConversionOfConvertibleDebtsIntoShort-TermBorrowing_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement with Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Conversion of Convertible Debts into Short-Term Borrowing</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossConversionOfConvertibleDebtsIntoShort-TermBorrowing_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value measurement with unobservable inputs reconciliation recurring basis liability gain loss conversion of convertible debts into short term borrowing.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossConversionOfConvertibleDebtsIntoShort-TermBorrowing_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Conversion of convertible debts into short-term borrowing</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_NameOfMajorCustomerDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer [Domain]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_GermanSubsidiaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">German subsidiary.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_GermanSubsidiaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">German Subsidiary</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AmountOfDifferenceBetweenTheFairValueOfSeriesBRedeemablePreferenceSharesAndSeriesAngelShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of difference between the fair value of series B redeemable preference shares and series angel shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AmountOfDifferenceBetweenTheFairValueOfSeriesBRedeemablePreferenceSharesAndSeriesAngelShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amount of difference between the fair value of Series B redeemable preference shares and Series Angel shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_StockIssuedDuringPeriodSharesUnvestedShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Shares Unvested Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_StockIssuedDuringPeriodSharesUnvestedShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period shares unvested shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_StockIssuedDuringPeriodSharesUnvestedShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of unvested shares, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible debts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RedeemableNoncontrollingInterestEquityPreferredCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Redeemable Noncontrolling Interest, Equity, Preferred, Carrying Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RedeemableNoncontrollingInterestEquityPreferredCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total mezzanine equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RedeemableNoncontrollingInterestEquityPreferredCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total mezzanine equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Value, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Series Seed preference shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity interest, exercise price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Consideration Transferred, Equity Interest, Share Issued, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_LossOnModificationOfOperatingLeaseContract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss on modification of operating lease contract</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_LossOnModificationOfOperatingLeaseContract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loss on modification of operating lease contract</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_LossOnModificationOfOperatingLeaseContract_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Loss on modification of operating lease contract</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_LossOnModificationOfOperatingLeaseContract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Loss on modification of operating lease</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Maturity Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Borrowings maturity date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Weighted Average Grant Date Fair Value (Per ADS), Granted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of ordinary shares as at grant date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Current [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYearEight_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards Expiration Year Eight</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYearEight_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Operating loss carryforwards expiration year eight.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYearEight_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2033</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToFundLongtermLoansToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Fund Long-Term Loans to Related Parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToFundLongtermLoansToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Issuance of a loan to a related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToFundLongtermLoansToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued expenses and other current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable and Other Accrued Liabilities, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossAccruedInterests_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued interests</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossAccruedInterests_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement with Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Accrued Interests</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossAccruedInterests_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value measurement with unobservable inputs reconciliation recurring basis liability gain loss accrued interests.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFairValueDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Fair Value Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization of Intangible Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Class B [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class B Ordinary Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 3 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 3</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerGMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer G</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerGMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer G [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerGMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Customer G.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesFairValueDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesFairValueDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Fair Value Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxReconciliationTrueUpOnNOLAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Reconciliation True Up On NOL Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxReconciliationTrueUpOnNOLAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax reconciliation true up on NOL amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxReconciliationTrueUpOnNOLAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">True-up on NOL</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesSeedPreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series Seed Preference Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesSeedPreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series seed preference shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesSeedPreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series Seed Preference Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Expense (Benefit), Continuing Operations [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PRCTaxAdministrationAndCollectionLawMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">PRC Tax Administration and Collection Law</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PRCTaxAdministrationAndCollectionLawMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">P R C Tax Administration And Collection Law [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PRCTaxAdministrationAndCollectionLawMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">P R C tax administration and collection law.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxPeriodDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tax Period [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FinancialLiabilityTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Liability [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FinancialLiabilityTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financial Liability.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FinancialLiabilityTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Current [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProductMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Product [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProductMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sales</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProductMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Product Revenues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionOriginalDebtInterestRateOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Conversion, Original Debt, Interest Rate of Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionOriginalDebtInterestRateOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Simple interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ShareOfProfitsInSubsidiaries_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Of Profits In Subsidiaries</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ShareOfProfitsInSubsidiaries_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share of profits in subsidiaries.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ShareOfProfitsInSubsidiaries_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share of profits in subsidiaries</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendPaymentTerms_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Dividend Payment Terms</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendPaymentTerms_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, dividend payment terms</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares, Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Shares, Outstanding, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Shares, Outstanding, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net operating loss carryforwards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, after Allowance for Credit Loss, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts receivable, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Accounts Receivable, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Accounts Receivable, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPaidByIndividualJurisdictionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Paid, by Individual Jurisdiction [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Supplies_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Supplies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Supplies_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advances to suppliers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCashAndCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total cash, cash equivalents and restricted cash</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeLeasesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Leases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeLeasesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Leases [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Weighted Average Grant Date Fair Value (Per ADS), Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Weighted Average Grant Date Fair Value (Per ADS), Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryWorkInProcess_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory, Work in Process, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryWorkInProcess_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Work in process</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based compensation, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance for credit losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, Credit Loss Expense (Reversal)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Reversal of expected credit losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">General and Administrative Expense [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">General and Administrative Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Present value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Total lease liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorFirmId_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Firm ID</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableGrossCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, before Allowance for Credit Loss, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableGrossCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Short-Term Debt, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ShenzhenZhichongMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shenzhen Zhichong [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ShenzhenZhichongMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Shenzhen Zhichong.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ShenzhenZhichongMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shenzhen Zhichong</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DebtDefaultLongtermDebtAmountsRepaid_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt default longterm debt amounts repaid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DebtDefaultLongtermDebtAmountsRepaid_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt default longterm debt amount repaid.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DebtDefaultLongtermDebtAmountsRepaid_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Principal and accrued interest amount repaid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_EffectiveIncomeTaxRateReconciliationPreferentialTaxRatePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferential tax rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_EffectiveIncomeTaxRateReconciliationPreferentialTaxRatePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation Preferential Tax Rate Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_EffectiveIncomeTaxRateReconciliationPreferentialTaxRatePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Effective income tax rate reconciliation preferential tax rate percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DifferenceInAmountOfFairValueAndTheCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Difference in amount of fair value and the carrying value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DifferenceInAmountOfFairValueAndTheCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Difference in amount of fair value and the carrying value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsQuantitativeInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement Inputs and Valuation Techniques [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Benchmark [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ContractualServicePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contractual Service Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ContractualServicePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">contractual service period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ContractualServicePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contractual service period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in valuation allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesNoncurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Noncurrent [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesNoncurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Effect of foreign currency exchange rate changes on cash and cash equivalents and restricted cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Effect of foreign currency exchange rate changes on cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ConversionOfConvertibleDebtsIntoConvertibleRedeemablePreferredShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Conversion of convertible debts into convertible redeemable preferred shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ConversionOfConvertibleDebtsIntoConvertibleRedeemablePreferredShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Conversion of convertible debts into convertible redeemable preferred shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ConversionOfConvertibleDebtsIntoConvertibleRedeemablePreferredShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Conversion of convertible debts into series B+ convertible redeemable preferred shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_VariousOtherUnspecifiedCountriesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Various Other Unspecified Countries [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_VariousOtherUnspecifiedCountriesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Various other unspecified countries member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_VariousOtherUnspecifiedCountriesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Various Other Unspecified Countries</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Positions or Committees Responsible [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LossContingenciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss Contingencies [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_LoansToThirdParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans to third parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_LoansToThirdParties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loans to third parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Weighted Average Number of Shares Outstanding, Basic, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average number of ordinary shares-Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Denominator used in computing loss per share - basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AccruedPayrollAndSocialInsurance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued payroll and social insurance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AccruedPayrollAndSocialInsurance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accrued payroll and social insurance.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GovernmentAssistancePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Government Grants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GovernmentAssistancePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Government Assistance [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mezzanine equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">MEZZANINE EQUITY</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeasesOperatingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Leases, Operating [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplierConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplier Concentration Risk [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplierConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Suppliers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ProceedsFromIssuanceOfTemporaryEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Temporary Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ProceedsFromIssuanceOfTemporaryEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from issuance of temporary equity.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ProceedsFromIssuanceOfTemporaryEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Considerations from redeemable preference shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Reconciliation Between PRC Statutory Income Tax Rate and Effective Income Tax Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards, Expiration Year Three</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of tax loss carryforwards will expire in the in next fiscal year following third fiscal year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2028</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Lived Tangible Asset [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPayableCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPayableCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued interests</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesBRedeemablePreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series B Redeemable Preference Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesBRedeemablePreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series B redeemable preference shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesBRedeemablePreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series B Redeemable Preference Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskProcessForInformingManagementOrCommitteesResponsibleTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShortTermDebtTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Short-Term Debt [Table Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accounting policies.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SupplierFMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplier F [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SupplierFMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Supplier F [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SupplierFMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supplier F</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleTypeOfEquitySecurity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Convertible, Type of Equity Security</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleTypeOfEquitySecurity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible debts, conversion type of equity security</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party Balance And Transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Cash_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Cash_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash balances held at financial institutions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ScheduleOfPaymentsToRelatedPartyTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Payments To Related Party [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ScheduleOfPaymentsToRelatedPartyTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of payments to related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ScheduleOfPaymentsToRelatedPartyTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Balance of Amounts Due to a Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IssuanceOfRedeemablePreferenceSharesUponConversionOfConvertibleDebts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of Series B+ redeemable preference shares upon conversion of convertible debts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IssuanceOfRedeemablePreferenceSharesUponConversionOfConvertibleDebts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance of redeemable preference shares upon conversion of convertible debts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IssuanceOfRedeemablePreferenceSharesUponConversionOfConvertibleDebts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Issuance of redeemable preference shares upon conversion of convertible debts.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in valuation allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stockholder's equity (deficit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total shareholders' deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total shareholders' equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentRegistrationStatement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Registration Statement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Par or Stated Value Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, par value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_TwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand Twenty Three [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_TwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Two thousand twenty three.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_TwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2023</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IssuanceOfALoanToARelatedPartyOfAShareholder_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance of a Loan to a Related Party of a Shareholder</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IssuanceOfALoanToARelatedPartyOfAShareholder_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Issuance of a loan to a related party of a shareholder.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IssuanceOfALoanToARelatedPartyOfAShareholder_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Issuance of a loan to a related party of a shareholder</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Basis of Accounting, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basis of presentation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrincipalAmountOutstandingOfLoansHeldInPortfolio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loan, Held-in-Portfolio, Principal Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrincipalAmountOutstandingOfLoansHeldInPortfolio_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Loan, Held-in-Portfolio, Principal Outstanding, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrincipalAmountOutstandingOfLoansHeldInPortfolio_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Outstanding amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrincipalAmountOutstandingOfLoansHeldInPortfolio_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Outstanding principal amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ForeignExchangeTranslationAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign exchange translation adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ForeignExchangeTranslationAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Foreign Exchange Translation Adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ForeignExchangeTranslationAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Adjustments to foreign currency translation adjustments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AdjustmentsToAdditionalPaidInCapitalConversionOfPreferenceSharesImmediatelyPriorToTheCompletionOfIPO_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments To Additional Paid In Capital Conversion Of Preference Shares Immediately Prior To The Completion Of IPO</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AdjustmentsToAdditionalPaidInCapitalConversionOfPreferenceSharesImmediatelyPriorToTheCompletionOfIPO_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Adjustments to additional paid in capital conversion of preference shares immediately prior to the completion of IPO.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AdjustmentsToAdditionalPaidInCapitalConversionOfPreferenceSharesImmediatelyPriorToTheCompletionOfIPO_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Conversion of preference shares immediately prior to the completion of IPO, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Stockholders' Equity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfSalesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cost of Goods and Service [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfSalesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost of Revenues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Use of estimates</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Use of Estimates, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_BusinessContactMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Contact [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_BusinessContactMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business Contact</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OverAllotmentOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Over-Allotment Option</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OverAllotmentOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Over-Allotment Option [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseholdImprovementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Leasehold Improvements [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseholdImprovementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Leasehold Improvements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingAndMarketingExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Selling and Marketing Expense [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingAndMarketingExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Selling and Marketing Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine2_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Measurement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Disclosures [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_LiquidationAdditionalPercentagePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liquidation additional percentage payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_LiquidationAdditionalPercentagePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Liquidation additional percentage payable.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OtherPRCCompaniesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other PRC Companies [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OtherPRCCompaniesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other PRC companies.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OtherPRCCompaniesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other PRC Companies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarliestTaxYearMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Earliest Tax Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarliestTaxYearMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earliest Tax Year [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ValueAddedTaxesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Value Added Taxes [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ValueAddedTaxesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Value added taxes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ValueAddedTaxesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Value added taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of tax loss carryforwards will expire in the in next fiscal year following forth fiscal year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2029</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards, Expiration Year Four</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxExaminationStatuteOfLimitationForUnderpaymentOfTaxesAboveThresholdLimitPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income tax examination statute of limitation for underpayment of taxes above threshold limit period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxExaminationStatuteOfLimitationForUnderpaymentOfTaxesAboveThresholdLimitPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Examination Statute of Limitation For Underpayment of Taxes above Threshold Limit Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxExaminationStatuteOfLimitationForUnderpaymentOfTaxesAboveThresholdLimitPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax examination statute of limitation for underpayment of taxes above threshold limit period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Disclosure [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax disclosure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ScheduleOfSupplementalLeaseCashFlowInformationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Supplemental Lease Cash Flow Information [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ScheduleOfSupplementalLeaseCashFlowInformationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Supplemental cash flow information related to operating leases.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ScheduleOfSupplementalLeaseCashFlowInformationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary Of Supplemental Cash Flow Information Related To Operating Leases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_US_lbl" xlink:role="http://www.xbrl.org/2003/role/label">UNITED STATES</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_US_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">USA</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_US_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">United States</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_NetOffAgainstDeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net off against deferred tax liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_NetOffAgainstDeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net off against deferred tax liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_NetOffAgainstDeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Net off against deferred tax liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationDateOfIncorporation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Incorporation date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationDateOfIncorporation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Incorporation, Date of Incorporation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Name [Domain]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesAndOtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Accrued Expenses and Other Current Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PrepaymentsAndOtherAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepayments and Other Assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PrepaymentsAndOtherAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Prepayments and other assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss recorded in the consolidated statements of comprehensive loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Equity Method Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Expense and Other Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepayments and Other Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Prepayments and Other Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_GrossProceedsFromConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross proceeds from issuance of the convertible debts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_GrossProceedsFromConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gross Proceeds from Convertible Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_GrossProceedsFromConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Gross proceeds from long-term debt instrument.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityAggregateAmountOfRedemptionRequirement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Aggregate Amount of Redemption Requirement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityAggregateAmountOfRedemptionRequirement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Temporary equity, redemption value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityAggregateAmountOfRedemptionRequirement_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Aggregate redemption amount for all redeemable preference shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingCodmIndividualTitleAndPositionOrGroupOrCommitteeNameExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityOtherChanges_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Other Changes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityOtherChanges_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Issuance cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_EVChargesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EV Charges [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_EVChargesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">EV charges.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_EVChargesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">EV Chargers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Condensed Financial Information of Parent Company Only Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Parent Company Only Condensed Financial Information</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Plan Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_RedeemablePreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Redeemable Preference Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_RedeemablePreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Redeemable Preference Shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_RedeemablePreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Redeemable Preference Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Expense, Operating and Nonoperating</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Interest Expense, Operating and Nonoperating, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Interest expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReceivablesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Receivable [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReceivablesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts receivable, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Including Noncontrolling Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Temporary Equity, Carrying Amount, Including Portion Attributable to Noncontrolling Interests, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentsOfInitialPublicOfferingCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments Of Initial Public Offering Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentsOfInitialPublicOfferingCost_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payments of initial public offering cost.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentsOfInitialPublicOfferingCost_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Payments of initial public offering ("IPO") cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SharesSold_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Sold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SharesSold_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Shares sold.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SharesSold_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares sold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Method Investment, Ownership Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity method investment ownership percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Percentage of equity interest owned</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerHMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer H [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerHMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Customer H.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerHMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer H</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementExpertiseOfManagementResponsibleTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Expertise of Management Responsible [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_TwoThousandTwentyFiveShareIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand Twenty Five Share Incentive Plan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_TwoThousandTwentyFiveShareIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Two thousand twenty five share incentive plan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_TwoThousandTwentyFiveShareIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2025 Share Incentive Plan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxPeriodAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tax Period [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ConversionOfPreferenceSharesUponClosingOfIPO_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Conversion of preference shares to Class A ordinary shares upon the closing of IPO</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ConversionOfPreferenceSharesUponClosingOfIPO_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Conversion of preference shares upon closing of IPO</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ConversionOfPreferenceSharesUponClosingOfIPO_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Conversion of preference shares upon closing of IPO.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SettlementLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Settlement Liabilities, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SettlementLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash collected on behalf of the customers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related and Nonrelated Parties [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtFairValueDisclosures_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt, Fair Value Disclosures</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtFairValueDisclosures_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible debts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SharesGranted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Granted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SharesGranted_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Shares granted.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SharesGranted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares granted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndDueFromBanks_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Due from Banks</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndDueFromBanks_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Cash and Due from Banks, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndDueFromBanks_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total cash and cash equivalents balances held at financial institutions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and equipment, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockConvertibleConversionRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Convertible, Conversion Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockConvertibleConversionRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Preferred shares conversion ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingStandardsUpdateExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_InvestorCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investor C [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_InvestorCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investor C.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_InvestorCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investor C</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ProceedsFromExistingEquityHoldersInConnectionWithRestructuring_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Existing Equity Holders In Connection With Restructuring</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ProceedsFromExistingEquityHoldersInConnectionWithRestructuring_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from existing equity holders in connection with restructuring.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ProceedsFromExistingEquityHoldersInConnectionWithRestructuring_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash received from the existing equity holders of X-Charge Technology in connection with the restructuring</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxesPayableCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Taxes Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxesPayableCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Taxes Payable, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxesPayableCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Underpayment of taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Policies [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure of information about accounting policies by type.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, City or Town</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_EstimatedFairValueWarrantsLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Estimated fair value warrants liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_EstimatedFairValueWarrantsLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Estimated fair value warrants liability.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer B</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer B [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Customer B.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityExchangeName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Security Exchange Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentsOfTemporaryEquityIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentsOfTemporaryEquityIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments Of Temporary Equity Issuance Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentsOfTemporaryEquityIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payments of temporary equity issuance costs.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_EuropeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Europe [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_EuropeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Europe</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SupplierBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplier B [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SupplierBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Supplier B [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SupplierBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supplier B</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_BeijingPuyanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Beijing Puyan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_BeijingPuyanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Beijing Puyan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_BeijingPuyanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Beijing Puyan</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxExaminationStatuteOfLimitationToAssessAdditionalTaxesPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Examination Statute of Limitation to Assess Additional Taxes Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxExaminationStatuteOfLimitationToAssessAdditionalTaxesPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax examination statute of limitation to assess additional taxes period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_ContactPersonnelName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contact Personnel Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Gross</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Property, Plant and Equipment, Gross, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Property and Equipment</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity [Table Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average interest rates for the outstanding short-term bank borrowings</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Conversion, Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CounterpartyNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Counterparty Name [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Taxable income</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Loss before income tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAndLiabilitiesLesseeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets and Liabilities, Lessee [Abstract]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerDurationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contract with Customer, Duration [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impairment of long-lived assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities, Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax rate differential for non-PRC entities/ Statutory tax rate difference</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Inventories, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Inventories, net</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDueToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Increase (Decrease) in Due to Related Parties, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDueToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amounts due to a related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Paid, Excluding Capitalized Interest, Operating Activity</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right, Exercise Price of Warrants or Rights</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Current</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Expense</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Period End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ZhichongTechnologyCoLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Zhichong Technology Co Ltd [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ZhichongTechnologyCoLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Zhichong Technology Co Ltd.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ZhichongTechnologyCoLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Zhichong Technology Co Ltd</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_WarrantiesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warranties [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_WarrantiesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warranties.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_WarrantiesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warranties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DeferredTaxAssetsShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets Share Based Compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DeferredTaxAssetsShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred tax assets share based compensation.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DeferredTaxAssetsShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_TitleOfIndividualAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title and Position [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_IcfrAuditorAttestationFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">ICFR Auditor Attestation Flag</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DingRuiMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ding Rui.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DingRuiMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ding Rui</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign currency translation adjustment, net of income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Disposition of Property Plant Equipment</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesPurchasedForAward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares purchased</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenuePerformanceObligationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue, Performance Obligation [Abstract]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cumulative Effect, Period of Adoption, Adjustment [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CommonStockSharesAuthorizedValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common stock shares Authorized value</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OrdinarySharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ordinary shares.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SaleOfMaterialsToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of materials</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SaleOfMaterialsToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sale of materials to related parties.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction, Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related party transaction, rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Security, Excluded EPS Calculation [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SupplierCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplier C [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SupplierCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Supplier C [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SupplierCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supplier C</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Deferred Tax Liabilities, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Total deferred income tax liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtPercentageBearingFixedInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Percentage Bearing Fixed Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtPercentageBearingFixedInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Income Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management, Strategy, and Governance [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesAPreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series A Preference Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesAPreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series A preference shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesAPreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series A Preference Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ContractWithCustomerLiabilityRevenueRecognizedDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contract with Customer, Liability, Revenue Recognized during period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ContractWithCustomerLiabilityRevenueRecognizedDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Contract with customer, liability, revenue recognized during period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ContractWithCustomerLiabilityRevenueRecognizedDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue recognized from contract liabilities arising during period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ContractWithCustomerLiabilityRevenueRecognizedDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Revenue recognized from contract liabilities arising during period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2027</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards, Expiration Year Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of tax loss carryforwards will expire in the in next fiscal year following second fiscal year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AdjustmentsToAdditionalPaidInCapitalConversionOfPreferenceSharesValueImmediatelyPriorToTheCompletionOfIPO_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments To Additional Paid In Capital Conversion Of Preference Shares Value Immediately Prior To The Completion Of IPO</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AdjustmentsToAdditionalPaidInCapitalConversionOfPreferenceSharesValueImmediatelyPriorToTheCompletionOfIPO_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Adjustments to additional paid in capital conversion of preference shares value immediately prior to the completion of ipo.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AdjustmentsToAdditionalPaidInCapitalConversionOfPreferenceSharesValueImmediatelyPriorToTheCompletionOfIPO_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Conversion of preference shares immediately prior to the completion of IPO</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SouthAmericaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">South America [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SouthAmericaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">South America</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestmentsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Method Investments [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestmentsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="currency_AllCurrenciesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">All Currencies [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statutory tax rate difference</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Year Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2027</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCash_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCash_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Restricted Cash, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCash_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdvertisingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advertising Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdvertisingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advertising expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodStartDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Redemption Period, Start Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodStartDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible debts, Repayment period, start date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxReconciliationEffectOfTrueUpOnNOL_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Reconciliation Effect Of True Up On NOL</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxReconciliationEffectOfTrueUpOnNOL_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax reconciliation effect of true up on NOL.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxReconciliationEffectOfTrueUpOnNOL_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Effect of true-up on NOL</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfCashAndCashEquivalentsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalent [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Maximum Amount Outstanding During Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Outstanding borrowings amount under facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Weighted Average Number of Shares Outstanding, Diluted, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average number of ordinary shares-Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Denominator used in computing loss per share - diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDueFromRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Due from Related Parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDueFromRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Increase (Decrease) in Due from Related Parties, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDueFromRelatedParties_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Amounts due from related parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity File Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenuePerformanceObligationDescriptionOfTiming_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue, Performance Obligation, Description of Timing</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenuePerformanceObligationDescriptionOfTiming_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue remaining performance obligations original expected duration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cover [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CancelationOfOrdinarySharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cancelation of Ordinary Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CancelationOfOrdinarySharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cancelation of ordinary shares outstanding.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CancelationOfOrdinarySharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cancellation of ordinary shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ReceivedMaterialsFromRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Received materials from related parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ReceivedMaterialsFromRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Received Materials from Related Parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ReceivedMaterialsFromRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Received materials from related parties.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_HouYifeiMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Hou Yifei [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_HouYifeiMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Hou Yifei.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_HouYifeiMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Hou Yifei</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cumulative Effect, Period of Adoption [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepayments and other current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Expense and Other Assets, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Prepayments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Prepayments and other current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of ADS Outstanding, Forfeited</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Number of ADS Outstanding, Forfeited</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CondensedStatementOfComprehensiveIncomeTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Condensed Statements of Comprehensive Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CondensedStatementOfComprehensiveIncomeTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Condensed Statement of Comprehensive Income [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SummaryOfValuationAllowanceTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary of Valuation Allowance [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SummaryOfValuationAllowanceTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Changes in Valuation Allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DividendDeclared_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividend Declared</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DividendDeclared_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Dividend declared.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DividendDeclared_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividend declared</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesBPreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series B Preference Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesBPreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series B preference shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesBPreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series B Preference Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SalesRevenueNetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SalesRevenueNetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue Benchmark [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossUnrealized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrealized Gain (Loss), Foreign Currency Transaction, before Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossUnrealized_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Unrealized foreign currency transaction (gain) loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of operating segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Operating Segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_BankOfBeijingFuyuSubBranchMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Bank of Beijing Fuyu Sub Branch [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_BankOfBeijingFuyuSubBranchMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Bank of Beijing Fuyu Sub-branch.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_BankOfBeijingFuyuSubBranchMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Bank of Beijing Fuyu Sub-branch</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Information</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">General and Administrative Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">General and Administrative Expense, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">General and administrative expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AlternativeInvestmentMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Alternative Investment, Measurement Input</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AlternativeInvestmentMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair values of financial liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SellProductsToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sell Products to Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SellProductsToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sell products to related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SellProductsToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sell products</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerDurationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contract with Customer, Duration [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncreaseDecreaseInContractLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase Decrease In Contract Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncreaseDecreaseInContractLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Increase decrease in contract liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncreaseDecreaseInContractLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contract liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityLiquidationPreference_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Liquidation Preference</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityLiquidationPreference_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Temporary equity, liquidation preference</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsSecondExpirationYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards Second Expiration Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsSecondExpirationYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Operating Loss Carryforwards Second Expiration Year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsSecondExpirationYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating loss carryforwards second expiration year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCostsCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCostsCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Deferred Costs, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCostsCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred financing costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesBPlusPreferenceSharesInXCHGLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series B Plus Preference Shares in XCHG Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesBPlusPreferenceSharesInXCHGLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series B plus preference shares in XCHG Limited.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesBPlusPreferenceSharesInXCHGLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series B+ Preference Shares in XCHG Limited</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Others</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AmericanDepositarySharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">American Depositary Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AmericanDepositarySharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">American Depositary Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AmericanDepositarySharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">American depositary shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Convertible, Conversion Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Conversion price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Conversion price used to calculate ordinary shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Extinguishment of Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Gain (Loss) on Extinguishment of Debt, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gain on extinguishment of convertible debts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain on extinguishment of convertible debts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Loss on modification of debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Estimated useful lives</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Useful Life</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">New Accounting Pronouncements, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recent Accounting Pronouncements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary Of Maturity Of Lease Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentsToConvertibleDebtsHoldersInConnectionWithConversionOfConvertibleDebts_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Cash paid to convertible debts holders of Beijing X-Charge Technology in connection with the conversion of convertible debts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentsToConvertibleDebtsHoldersInConnectionWithConversionOfConvertibleDebts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments To Convertible Debts Holders In Connection With Conversion of Convertible Debts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentsToConvertibleDebtsHoldersInConnectionWithConversionOfConvertibleDebts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payments to convertible debts holders in connection with conversion of convertible debts.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contract with Customer, Liability, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contract liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Conversion of Convertible Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Redesignation of Pre-IPO Ordinary Shares into Class A and Class B Ordinary Shares upon initial public offering, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Re-designation of ordinary shares into class A and class B Ordinary shares immediately prior to the completion of IPO, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other non-deductible expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PercentageOfAccruedInterestOnOverduePrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of accrued interest on overdue principal amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PercentageOfAccruedInterestOnOverduePrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of accrued interest on overdue principal amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesARedeemablePreferenceShares1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series A+ Redeemable Preference Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesARedeemablePreferenceShares1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series A+ Redeemable Preference Shares1 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesARedeemablePreferenceShares1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series A+ redeemable preference shares1.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations before Income Taxes, Domestic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income (loss)before income taxes, domestic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Depreciation, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total depreciation expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Convertible, Carrying Amount of Equity Component</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash received upon conversion</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrecognized share-based compensation expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivablesNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other Receivables, Net, Current, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivablesNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Amounts due from subsidiaries-current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivablesNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivablesNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amounts due from related parties, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Long-Term Investments, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares, Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Common Stock, Shares, Outstanding, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Common Stock, Shares, Outstanding, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, shares, outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Liability, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease liabilities-current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Lease liabilities-current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncreaseDecreaseInOperatingLeaseLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase Decrease In Operating Lease Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncreaseDecreaseInOperatingLeaseLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Increase decrease in operating lease liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncreaseDecreaseInOperatingLeaseLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepreciationDepletionAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation, Depletion and Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepreciationDepletionAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Depreciation, Depletion and Amortization, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepreciationDepletionAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation and amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementProcessesIntegratedFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Processes Integrated [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentTransitionReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Transition Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Net deferred income tax liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net deferred income tax assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Operating Expenses, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Total operating expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLossCarryforwardsLimitationsOnUse_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating loss carryforwards, limitations on use</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLossCarryforwardsLimitationsOnUse_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards, Limitations on Use</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Research and Development Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Research and Development Expense, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Research and development expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Research and development expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Cost of Revenue, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cost of revenues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfRevenue_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Cost of revenues (including purchase from a related party of US$70,698, US$428,046 and US$147,611 for the years ended December 31, 2023, 2024 and 2025, respectively)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeasesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating Lease</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeasesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Leases [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ROUAssetsDisposedAsReductionOfOperatingLeaseLiabilitiesDueToLeaseModification_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">ROU assets disposed as reduction of operating lease liabilities due to lease modification</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ROUAssetsDisposedAsReductionOfOperatingLeaseLiabilitiesDueToLeaseModification_lbl" xlink:role="http://www.xbrl.org/2003/role/label">ROU Assets Disposed As Reduction Of Operating Lease Liabilities Due To Lease Modification</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ROUAssetsDisposedAsReductionOfOperatingLeaseLiabilitiesDueToLeaseModification_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">ROU assets disposed as reduction of operating lease liabilities due to lease modification.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Significant Components of the Provision for (Benefit from) Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentsToExistingEquityHoldersInConnectionWithRestructuring_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments To Existing Equity Holders In Connection With Restructuring</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentsToExistingEquityHoldersInConnectionWithRestructuring_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payments to existing equity holders in connection with restructuring.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentsToExistingEquityHoldersInConnectionWithRestructuring_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Cash paid to the existing equity holders of X-Charge Technology in connection with the restructuring</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Cash Flows [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ScheduleOfDepreciationExpenseOnPropertyPlantAndEquipmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Depreciation Expense on Property Plant and Equipment [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ScheduleOfDepreciationExpenseOnPropertyPlantAndEquipmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of depreciation expense on property plant and equipment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ScheduleOfDepreciationExpenseOnPropertyPlantAndEquipmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Depreciation Expense on Property Plant and Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, New Issues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share issuance upon initial public offering and followed offering, net of issuance costs of US$4,691,629</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockLiquidationPreferenceValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Liquidation Preference, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockLiquidationPreferenceValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, liquidation preference, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CondensedBalanceSheetStatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Condensed Balance Sheet Statement [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_NumberOfVotePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of vote per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_NumberOfVotePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of vote per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_NumberOfVotePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of vote per share.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary Shares, Series Angel Shares and Series Seed Preference Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts and Financing Receivables [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ContractWithCustomerLiabilityForeignCurrencyTranslation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign currency translation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ContractWithCustomerLiabilityForeignCurrencyTranslation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contract with Customer Liability Foreign Currency Translation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ContractWithCustomerLiabilityForeignCurrencyTranslation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Contract with customer liability foreign currency translation.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ContractWithCustomerLiabilityCashReceivedInAdvance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contract with Customer Liability Cash Received in Advance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ContractWithCustomerLiabilityCashReceivedInAdvance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Contract with customer liability cash received in advance.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ContractWithCustomerLiabilityCashReceivedInAdvance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash received in advance, excluding VAT</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_LimitOfStatutorySurplusFundForAppropriationPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Limit of Statutory Surplus Fund for Appropriation Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_LimitOfStatutorySurplusFundForAppropriationPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Limit of statutory surplus fund for appropriation percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_LimitOfStatutorySurplusFundForAppropriationPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Appropriation not required percentage of statutory surplus fund</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxExaminationStatuteOfLimitationForUnderpaymentOfTaxesPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income tax examination statute of limitation for underpayment of taxes period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxExaminationStatuteOfLimitationForUnderpaymentOfTaxesPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Examination Statute of Limitation For Underpayment of Taxes Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxExaminationStatuteOfLimitationForUnderpaymentOfTaxesPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax examination statute of limitation for underpayment of taxes period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_StockOfferedAggregateMaximumAmountProposedOfferingPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock offered aggregate maximum amount proposed offering price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_StockOfferedAggregateMaximumAmountProposedOfferingPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock offered aggregate maximum amount proposed offering price.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending balance, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning balance, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputExpectedDividendRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expected dividend yield</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputExpectedDividendRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Expected Dividend Rate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementProcessesIntegratedTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Processes Integrated [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentsOfInitialPublicOfferingCostAndPostInitialPublicOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments Of Initial Public Offering Cost and post Initial Public Offering</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentsOfInitialPublicOfferingCostAndPostInitialPublicOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payments Of Initial Public Offering Cost and post Initial Public Offering</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentsOfInitialPublicOfferingCostAndPostInitialPublicOffering_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Payments of initial public offering ("IPO") cost and post-IPO cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net loss attributable to the Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryWriteDown_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory Write-down</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryWriteDown_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Write-down of inventories</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInInventories_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Inventories</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInInventories_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Inventories</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInInventories_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Increase (Decrease) in Inventories, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_BankOfNanjingBeijingBranchMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Bank of Nanjing Beijing Branch [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_BankOfNanjingBeijingBranchMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Bank of Nanjing Beijing Branch.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_BankOfNanjingBeijingBranchMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Bank of Nanjing Beijing Branch</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesAngelRedeemablePreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series Angel Redeemable Preference Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesAngelRedeemablePreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series angel redeemable preference shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesAngelRedeemablePreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series Angel Redeemable Preference Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasicLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUncertainTaxPositionsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrecognized uncertain tax positions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUncertainTaxPositionsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liability for Uncertainty in Income Taxes, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Allowance for Doubtful Accounts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, Allowance for Credit Loss [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrual for Taxes Other than Income Taxes, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other taxes payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DecreaseOfROUAssetsCausedByLeaseModifications_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Decrease of ROU assets caused by lease modifications</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DecreaseOfROUAssetsCausedByLeaseModifications_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Decrease of ROU assets caused by lease modifications</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeasePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Payments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeasePayments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash paid for amounts included in the measurement of lease liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForLoanLeaseAndOtherLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Provision for Loan, Lease, and Other Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForLoanLeaseAndOtherLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Provision for Loan, Lease, and Other Losses, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForLoanLeaseAndOtherLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Provision</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ASSETS</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesAPlusPreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series A Plus Preference Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesAPlusPreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series A plus preference shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesAPlusPreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series A+ Preference Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Authority, Name [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConstructionInProgressMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Construction in Progress [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConstructionInProgressMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Constructions in Progress</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Prepaid Expense and Other Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Prepayments and other assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ClassAAndClassBOrdinarySharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class A And Class B Ordinary Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ClassAAndClassBOrdinarySharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Class A and Class B ordinary shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ClassAAndClassBOrdinarySharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class A and Class B Ordinary Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Year Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionConvertedInstrumentSharesIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Conversion, Converted Instrument, Shares Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionConvertedInstrumentSharesIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of shares converted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Benchmark [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CondensedCashFlowStatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Condensed Cash Flow Statement [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investing activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Accounts Payable, Current, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_RevenueFromOptionalMaintenanceServicePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Optional Maintenance Service Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_RevenueFromOptionalMaintenanceServicePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Revenue from optional maintenance service period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_RevenueFromOptionalMaintenanceServicePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue from optional maintenance service period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Components of Income (Loss) Before Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Research and Development Expense [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Research and Development Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesRestrictedStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares, Restricted Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesRestrictedStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average number of vested restricted share units</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesRestrictedStock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Weighted average number of vested restricted share units included in denominator for computation of basic EPS</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsIncomeTaxesNoncontrollingInterestTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations before Equity Method Investments Income Taxes, Noncontrolling Interest [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsIncomeTaxesNoncontrollingInterestTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income (loss) from continuing operations before equity method investments income taxes noncontrolling interest.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchase</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Changes in Contract Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AccruedExpensesAndOtherCurrentLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Expenses And Other Current Liabilities [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AccruedExpensesAndOtherCurrentLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accrued Expenses And Other Current Liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AccruedExpensesAndOtherCurrentLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Accrued Expenses and Other Current Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSubsidiaryOrEquityMethodInvesteeTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsidiary or Equity Method Investee, Sale of Stock [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SupplierDMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplier D [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SupplierDMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Supplier D [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SupplierDMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supplier D</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionConvertedInstrumentAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Conversion, Converted Instrument, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value measurements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Disclosure [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax disclosure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other Liabilities, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amounts due to a subsidiary</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Disclosures [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputSharePriceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of the Company's ordinary shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputSharePriceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Share Price [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_NorthAmericaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">North America [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_NorthAmericaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">North America</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Year One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2026</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockConsiderationReceivedOnTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock, Consideration Received on Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockConsiderationReceivedOnTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate consideration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss) Available to Common Stockholders, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net income (loss) attributable to ordinary shareholders</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net loss attributable to ordinary shareholders of XCHG Limited</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net loss attributable to ordinary share of the Company - basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesAPlusRedeemablePreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series A Plus redeemable preference shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesAPlusRedeemablePreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series A Plus redeemable preference shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesAPlusRedeemablePreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series A+ redeemable preference shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_TwoThousandTwentyThreeShareIncentivePlanTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand Twenty Three Share Incentive Plan Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_TwoThousandTwentyThreeShareIncentivePlanTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Two Thousand Twenty Three Share Incentive Plan Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_TwoThousandTwentyThreeShareIncentivePlanTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2023 Share Incentive Plan II</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Line of Credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Long-Term Line of Credit, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate principal amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerAssetNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Contract assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerAssetNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contract with Customer, Asset, after Allowance for Credit Loss, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractWithCustomerAssetNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Contract with Customer, Asset, after Allowance for Credit Loss, Current, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_TwoThousandTwentyThreeShareIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2023 Share Incentive Plan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_TwoThousandTwentyThreeShareIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand Twenty Three Share Incentive Plan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_TwoThousandTwentyThreeShareIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">2023 Share Incentive Plan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_RepaymentOfInterestFreeAdvance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayment of Interest Free Advance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_RepaymentOfInterestFreeAdvance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Repayment of interest free advance.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_RepaymentOfInterestFreeAdvance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repayment of interest free advance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Thereafter</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_LiquidationPercentagePayableOfInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liquidation percentage payable of investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_LiquidationPercentagePayableOfInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Liquidation percentage payable of investment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityStockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Stock Issued During Period, Value, New Issues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityStockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of redeemable preference shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ConversionOfConvertiblePreferredSharesToOrdinaryShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Conversion of convertible preferred shares to ordinary shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ConversionOfConvertiblePreferredSharesToOrdinaryShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Conversion of convertible preferred shares to ordinary shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ConversionOfConvertiblePreferredSharesToOrdinaryShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Conversion of convertible preferred shares to Class A ordinary shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration risk %</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Restricted Shares Units Granted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_StandardWarrantyPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Standard Warranty Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_StandardWarrantyPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Standard warranty period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_StandardWarrantyPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Standard warranty period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Investing Activity, Including Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash provided by (used in) investing activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net cash (used in) provided by investing activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxSolidaritySurchargePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Solidarity Surcharge Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxSolidaritySurchargePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax solidarity surcharge percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxSolidaritySurchargePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income tax solidarity surcharge</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PrepaymentsAndOtherAssetsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepayments and Other Assets [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PrepaymentsAndOtherAssetsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Prepayments and Other Assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Undistributed Earnings (Loss) Allocated to Participating Securities, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Undistributed Earnings (Loss) Allocated to Participating Securities, Basic, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Undistributed earnings attributable to redeemable preferred shareholders and Series Seed preferred shareholders of the Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12bTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title of 12(b) Security</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ReceivablesFromThirdPartyPaymentPlatforms_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Receivables from Third Party Payment Platforms</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ReceivablesFromThirdPartyPaymentPlatforms_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Receivables from third party payment platforms.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ReceivablesFromThirdPartyPaymentPlatforms_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Receivables from third party payment platforms</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AdditionalSharesIssuedAndSoldToUnderwriter_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Shares Issued And Sold To Underwriter</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AdditionalSharesIssuedAndSoldToUnderwriter_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Additional shares issued and sold to underwriter.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AdditionalSharesIssuedAndSoldToUnderwriter_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Additional shares issued and sold to underwriter</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPaidByIndividualJurisdictionTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Paid, by Individual Jurisdiction [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Grant Date Fair Value (Per ADS), Forfeited</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related and Nonrelated Parties [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CostOfRevenuesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cost Of Revenues [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CostOfRevenuesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cost of revenues.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CostOfRevenuesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost of Revenues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Shares Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Temporary equity, shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightReasonForIssuingToNonemployees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant or Right, Reason for Issuance, Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightReasonForIssuingToNonemployees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Description of warrant issuance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Liabilities, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other non-current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OrdinarySharesConversionRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares Conversion Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OrdinarySharesConversionRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ordinary shares conversion ratio.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OrdinarySharesConversionRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Ordinary shares conversion ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidatedEntitiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidated Entities [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LegalEntityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Legal Entity [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_GeneralAndAdministrativeExpensesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">General and Administrative Expenses [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_GeneralAndAdministrativeExpensesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">General and administrative expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_GeneralAndAdministrativeExpensesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">General and Administrative Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CondensedBalanceSheetStatementsCaptionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Condensed Balance Sheet Statements, Captions [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Changes in operating assets and liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Property Plant and Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentOfInterestFreeAdvancesToFoundersAndExecutiveOfficers_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Interest free advances to the Founders and executive officers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentOfInterestFreeAdvancesToFoundersAndExecutiveOfficers_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment Of Interest Free Advances To Founders And Executive Officers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentOfInterestFreeAdvancesToFoundersAndExecutiveOfficers_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payment of interest free advances to founders and executive officers.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Recurring and Nonrecurring [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesAndOtherLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Liabilities and Other Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SummaryOfOperatingLossCarryforwardsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Tax Loss Carryforwards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SummaryOfOperatingLossCarryforwardsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary of Operating Loss Carryforwards [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Paid-in Capital [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional Paid-in Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesARedeemablePreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series A Redeemable Preference Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesARedeemablePreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series A redeemable preference shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesARedeemablePreferenceSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series A Redeemable Preference Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DebtDefaultLongtermDebtAmountRepaid_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Default Longterm Debt Amount Repaid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DebtDefaultLongtermDebtAmountRepaid_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt default longterm debt amount repaid.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DebtDefaultLongtermDebtAmountRepaid_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Principal and accrued interest amount repaid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_EffectiveIncomeTaxRateReconciliationPreferentialTaxRateAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation Preferential Tax Rate Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_EffectiveIncomeTaxRateReconciliationPreferentialTaxRateAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Effective income tax rate reconciliation preferential tax rate amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_EffectiveIncomeTaxRateReconciliationPreferentialTaxRateAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferential tax rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer A [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Customer A.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer A</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYearNine_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards Expiration Year Nine</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYearNine_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Operating loss carryforwards expiration year nine.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYearNine_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2034</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ProceedsFromCollectionOfTheLoanToARelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Collection of the Loan to a Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ProceedsFromCollectionOfTheLoanToARelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from collection of the loan to a related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ProceedsFromCollectionOfTheLoanToARelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from collection of the loan to a related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Income Location, Balance [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Trading Symbol</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FoundersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Founders [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FoundersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Founders.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FoundersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Founders</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and Equipment, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DeductibleInputVAT_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deductible Input VAT</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DeductibleInputVAT_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deductible input VAT.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DeductibleInputVAT_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deductible input VAT</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction, Purchases from Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchase of loan from related parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityExTransitionPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Ex Transition Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ValueAddedTaxPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Value Added Tax Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ValueAddedTaxPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Value Added Tax percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ValueAddedTaxPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of VAT</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ShengweiVentureCapitalManagementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shengwei Venture Capital Management [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ShengweiVentureCapitalManagementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Shengwei Venture Capital Management.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ShengweiVentureCapitalManagementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shengwei</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total operating lease payments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingStandardsUpdate201613Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update 2016-13 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingStandardsUpdate201613Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ASC 326</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingStandardsUpdate201613Member_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">ASU 2016-13</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, Undiscounted Excess Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less: imputed interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement Inputs and Valuation Techniques [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Research and development expenses bonus deduction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Research and development expenses bonus deduction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingAndMarketingExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Selling and marketing expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingAndMarketingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Selling and Marketing Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingAndMarketingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Selling and Marketing Expense, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Components [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Component [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Compensation Expenses Recognized for Share-based Compensation Granted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Activity [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IssuanceOfLoansToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance of loans to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IssuanceOfLoansToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Issuance of loans to related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IssuanceOfLoansToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IssuanceOfLoansToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Purchase of loan from related parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AddressTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Address Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentAnnualReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Annual Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeInterestEarningAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Income, Interest-Earning Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeInterestEarningAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Interest Income, Interest-Earning Asset, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeInterestEarningAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IPOMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">IPO [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IPOMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">IPO</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ChinaMerchantsBankBeijingDayuncunSubBranchMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">China Merchants Bank Beijing Dayuncun Sub Branch [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ChinaMerchantsBankBeijingDayuncunSubBranchMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">China Merchants Bank Beijing Dayuncun Sub-branch.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ChinaMerchantsBankBeijingDayuncunSubBranchMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">China Merchants Bank Beijing Dayuncun Sub-branch</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MachineryAndEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Machinery and Equipment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MachineryAndEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Machinery and Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MajorCustomersAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SubsidiariesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsidiaries [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SubsidiariesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsidiaries</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputOptionVolatilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Volatility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputOptionVolatilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Option Volatility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentAccountingStandard_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Accounting Standard</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockVotingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Voting Rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockVotingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares voting rights, description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsAndOtherReceivablesNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts and Other Receivables, Net, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsAndOtherReceivablesNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts receivables and other receivables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfBankDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Repayment of short-term bank borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfBankDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Bank Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivablesGrossCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Receivables, Gross, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivablesGrossCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amounts due from related parties, gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ConvertibleNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ConvertibleNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible notes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ConvertibleNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible Notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressesAddressTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Addresses, Address Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_InvestorBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investor B [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_InvestorBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investor B.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_InvestorBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investor B</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleConversionRatio1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Convertible, Conversion Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleConversionRatio1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Exchange rate of RMB against US$</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReceivablesNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReceivablesNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Receivables, Net, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReceivablesNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Receivables, Net, Current, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CostOfRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cost of Revenue [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CostOfRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cost of revenue.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CostOfRevenueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost of Revenues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Value, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Ordinary shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss) Available to Common Stockholders, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net Income (Loss) Available to Common Stockholders, Diluted, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net loss attributable to ordinary share of the Company - diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidation, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Principles of consolidation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_NetOffAgainstDeferredTaxAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Off Against Deferred Tax Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_NetOffAgainstDeferredTaxAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net off against deferred tax assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_NetOffAgainstDeferredTaxAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net off against deferred tax assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_ContactPersonnelEmailAddress_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contact Personnel Email Address</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net operating loss carry forwards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Operating Loss Carryforwards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Deferred Tax Assets, Operating Loss Carryforwards, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SupplierAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplier A [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SupplierAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Supplier A.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SupplierAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supplier A</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock , shares authorised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Preference shares authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest payable to investors</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Payable, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDefaultLongtermDebtAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Debt Default, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDefaultLongtermDebtAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Principal and accrued interest amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lender Name [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityAccretionToRedemptionValueAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Accretion to Redemption Value, Adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityAccretionToRedemptionValueAdjustment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accretion of redeemable preference shares to redemption value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AccretionOfRedeemableConvertiblePreferredSharesToRedemptionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accretion of Redeemable Convertible Preferred Shares to Redemption Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AccretionOfRedeemableConvertiblePreferredSharesToRedemptionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accretion of redeemable convertible preferred shares to redemption value,</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AccretionOfRedeemableConvertiblePreferredSharesToRedemptionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accretion of redeemable convertible preferred shares to redemption value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_AccretionOfRedeemableConvertiblePreferredSharesToRedemptionValue_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accretion of redeemable convertible preferred shares to redemption value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ConvertibleLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ConvertibleLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ConvertibleLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_InvestorAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investor A [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_InvestorAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investor A.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_InvestorAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investor A</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsNotesAndLoansReceivableLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts, Notes, Loans and Financing Receivable [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue Information</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Contract with Customer [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Registrant Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Registrant Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible Debts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityVoluntaryFilers_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Voluntary Filers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer Concentration Risk [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_KY_lbl" xlink:role="http://www.xbrl.org/2003/role/label">CAYMAN ISLANDS</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_KY_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cayman</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxExpenseBenefitContinuingOperationsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Expense Benefit Continuing Operations [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxExpenseBenefitContinuingOperationsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax expense benefit continuing operations.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating loss carryforwards expiration year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards Expiration Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Operating loss carryforwards expiration year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Positions or Committees Responsible [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidatedEntitiesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidated Entities [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income tax benefit (expense)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Total provision for income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total provision for income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Income tax expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PurchaseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchase</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PurchaseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Purchase [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PurchaseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Purchase.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_TwoThousandTwentySixShareIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand Twenty Six Share Incentive Plan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_TwoThousandTwentySixShareIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Two thousand twenty six share incentive plan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_TwoThousandTwentySixShareIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2026 Share Incentive Plan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ScheduleOfPrepaymentsAndOtherAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Prepayments and Other Assets [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ScheduleOfPrepaymentsAndOtherAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of prepayments and other sssets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ScheduleOfPrepaymentsAndOtherAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Prepayments and Other Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from issue of shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Proceeds from sale of ordinary shares through public offering</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2030</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards, Expiration Year Five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of tax loss carryforwards will expire in the in next fiscal year following fifth fiscal year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Estimated Fair Value Assumptions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Common Stock, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CompensationRelatedCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Compensation Related Costs, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CompensationRelatedCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee Benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByLiabilityClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liability Class [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DebtConversionConditionTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Conversion Condition Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DebtConversionConditionTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt conversion condition two.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DebtConversionConditionTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Condition 2</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_InvestorBAndInvestorCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investor B and Investor C [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_InvestorBAndInvestorCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investor B and investor C.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_InvestorBAndInvestorCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investor B and Investor C</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Other Comprehensive Income (Loss), Net of Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Accumulated Other Comprehensive Income (Loss), Net of Tax, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated other comprehensive income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and contingencies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Granted unvested shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Number of ADS Outstanding, Granted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of shares granted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRestrictedCashAndCashEquivalentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reconciliation of Cash and Cash Equivalents and Restricted Cash Reported Within Consolidated Balance sheets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRestrictedCashAndCashEquivalentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restrictions on Cash and Cash Equivalents [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityByClassOfStockTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, by Class of Stock [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Inventories</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncreaseDecreaseInFairValueOfFinancialInstruments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase Decrease In Fair Value Of Financial Instruments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncreaseDecreaseInFairValueOfFinancialInstruments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Increase decrease in fair value of financial instruments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncreaseDecreaseInFairValueOfFinancialInstruments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Changes in fair value of financial instruments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Operating loss year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based Compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerFMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer F [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerFMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Customer F.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerFMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer F</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsAndNontradeReceivableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts and Nontrade Receivable [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsAndNontradeReceivableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts Receivable, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Income Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total deferred</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesBPlusRedeemablePreferenceShareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series B Plus redeemable preference share [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesBPlusRedeemablePreferenceShareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series B Plus redeemable preference share.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesBPlusRedeemablePreferenceShareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series B+ Redeemable Preference Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInContractWithCustomerLiabilityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change in Contract with Customer, Liability [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Issuance of new shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Purchase of ordinary shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share issuance upon initial public offering and followed offering, net of issuance costs of US$4,691,629, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCostAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lease, Cost [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_StatutoryReservesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statutory Reserves [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_StatutoryReservesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Statutory reserves.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_StatutoryReservesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statutory Reserves</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Shares Authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Temporary equity, shares authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of Shares Outstanding, Vested</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Number of ADS Outstanding, Vested</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDilutedAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Diluted [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDilutedAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Denominator:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Earnings Per Share, Diluted, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss per ordinary share-Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Loss per ordinary share - diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionOriginalDebtAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Conversion, Original Debt, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionOriginalDebtAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregated principal amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Segment Reporting Information, by Segment [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Significant Revenue and Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Percent [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase (decrease) in effective income tax rate resulting from:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYearSeven_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2032</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYearSeven_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards Expiration Year Seven</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_OperatingLossCarryforwardsExpirationYearSeven_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Operating loss carryforwards expiration year seven.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_TitleOfIndividualWithRelationshipToEntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title and Position [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockConversionBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Conversion Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockConversionBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Conversion rights description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disaggregation of Revenue [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLifeDescriptionOfTermExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant, and Equipment, Useful Life, Term, Description [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">City Area Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleConversionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Convertible, Conversion Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleConversionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Conversion date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentIssuedPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Issued, Principal</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentIssuedPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate principal amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Net of Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total comprehensive loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other comprehensive income (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Examination, Penalties and Interest Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income Tax Examination, Penalties and Interest Expense, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest and penalties related to potential underpaid income tax expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Face Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan agreement with third party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ShareOfProfitsLossesInSubsidiaries_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share of Profits (Losses) in Subsidiaries</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ShareOfProfitsLossesInSubsidiaries_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share of profits (losses) in subsidiaries.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ShareOfProfitsLossesInSubsidiaries_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share of profits (losses) in subsidiaries</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ElectricVehiclesChargersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Electric Vehicles Chargers [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ElectricVehiclesChargersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Electric vehicles chargers.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ElectricVehiclesChargersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">EV Chargers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RepurchaseAgreementCounterpartyNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Counterparty Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationTaxCreditsResearch_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationTaxCreditsResearch_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Research and development expenses bonus deduction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ReductionInCarryingAmountOfRightOfUseAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reduction in the carrying amount of right-of-use assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ReductionInCarryingAmountOfRightOfUseAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reduction in the carrying amount of right-of-use assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ReductionInCarryingAmountOfRightOfUseAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reduction In Carrying Amount Of Right Of Use Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PurchaseOfMaterialsFromRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Purchase of Materials From Related Parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PurchaseOfMaterialsFromRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Purchase of materials from related parties.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PurchaseOfMaterialsFromRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchase of materials</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer C</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer C [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Customer C.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ScheduleOfLeaseModificationsBasedOnTheStatementsOfIncomeTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of lease modifications based on the statements of income [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ScheduleOfLeaseModificationsBasedOnTheStatementsOfIncomeTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of lease modifications based on the statements of income [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ScheduleOfLeaseModificationsBasedOnTheStatementsOfIncomeTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of lease modification</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted-average remaining lease term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Weighted Average Remaining Lease Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PrepaymentsAndOtherAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepayments and Other Assets [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PrepaymentsAndOtherAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Prepayments and Other Assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Restricted Stock Award, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Share issuance from vest of restricted shares units, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lease, Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Lease, Cost, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeaseCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total operating lease costs and short-term lease cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and cash equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and Equipment, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Property and Equipment, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromBankDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from short-term bank borrowings</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Cash, cash equivalents and restricted cash at the end of the year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Cash, cash equivalents and restricted cash at the beginning of the year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesAngelSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series Angel Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesAngelSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series angel shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SeriesAngelSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series Angel Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Income (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Operating loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated Deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCountry_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Country</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CondensedStatementOfIncomeCaptionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Condensed Statement of Income Captions [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total non current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total non-current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeBenefitsAndShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefits and Share-Based Compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeBenefitsAndShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee social benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Noncash Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">stock-based compensation expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentsToLoansProvidedToThirdParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Loans Provided to Third Parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentsToLoansProvidedToThirdParties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payments to Loans Provided to Third Parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PaymentsToLoansProvidedToThirdParties_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Loans provided to third parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfStockIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments of Stock Issuance Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfStockIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share issuance upon initial public offering, issuance cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfStockIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Payment for issuance cost of Series B redeemable preference shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign currency translation adjustment tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Foreign currency translation adjustment, tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total non current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Weighted Average Discount Rate, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted-average discount rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Liability, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease liabilities-non-current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Lease liabilities-non-current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 1</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 1 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Financing Activity, Including Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net cash provided by financing activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash provided by (used in) financing activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ChangesInFairValueOfFinancialInstrument_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Changes in Fair Value of Financial Instrument</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ChangesInFairValueOfFinancialInstrument_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Changes in fair value of financial instrument.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ChangesInFairValueOfFinancialInstrument_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Changes in fair value of financial instruments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ChangesInFairValueOfFinancialInstrument_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Changes in fair value of financial instruments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer I [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Customer I [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer I</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ZhichongNewEnergyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Zhichong New Energy</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ZhichongNewEnergyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Zhichong New Energy.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ZhichongNewEnergyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Zhichong New Energy [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SummaryOfRightOfUseAssetsAndLeaseLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Right Of Use Assets And Lease Liabilities [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SummaryOfRightOfUseAssetsAndLeaseLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary of right of use assets and lease liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SummaryOfRightOfUseAssetsAndLeaseLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary Of Right-of-use Assets And Lease Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorLocation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Location</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FinancialLiabilityPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Liability [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FinancialLiabilityPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financial liability.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FinancialLiabilityPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerEMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer E [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerEMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Customer E.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_CustomerEMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer E</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScheduleOfCondensedCashFlowStatementTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Condensed Cash Flow Statement [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScheduleOfCondensedCashFlowStatementTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Condensed Statements of Cash Flows</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxExpenseBenefitContinuingOperationsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Expense Benefit Continuing Operations [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxExpenseBenefitContinuingOperationsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax expense benefit continuing operations.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Ordinary Shares Equivalents Excluded from the Computation to Eliminate Antidilutive Effect</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Jurisdiction [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Interactive Data Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Income Location, Balance [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Preferred shares automatically converted to Class A ordinary shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Preferred Stock, Shares Issued upon Conversion</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cumulative Effect, Period of Adoption, Adjusted Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cumulative Effect, Period of Adoption, Adjusted Balance [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DeferredTaxAssetsOperatingLeaseLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets Operating Lease Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DeferredTaxAssetsOperatingLeaseLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred tax assets operating lease liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_DeferredTaxAssetsOperatingLeaseLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_Short-TermBankBorrowingsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term Bank Borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_Short-TermBankBorrowingsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Bank Borrowings [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_Short-TermBankBorrowingsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short-term bank borrowings.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other non-current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Other Noncurrent Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Included in Earnings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ReversalOfExpectedCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reversal of Expected Credit Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ReversalOfExpectedCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reversal of expected credit losses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ReversalOfExpectedCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Reversal of expected credit losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SupplierEMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplier E [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SupplierEMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Supplier E.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SupplierEMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supplier E</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Issued for Services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares issued to grantees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CumulativeEffectPeriodOfAdoptionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cumulative Effect, Period of Adoption [Domain]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenuesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenues [Abstract]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Term</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ProceedsFromWarrantsLiabilityAllocatedToShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from warrants liability allocated to short term borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ProceedsFromWarrantsLiabilityAllocatedToShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Warrants Liability Allocated To Short Term Borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_ProceedsFromWarrantsLiabilityAllocatedToShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from warrants liability allocated to short term borrowings.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_UnvestedSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unvested Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_UnvestedSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unvested shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_UnvestedSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Unvested Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Description of Business and Organization</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_IncomeTaxReconciliationTrueUpOnNOL_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">True-up on NOL</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DefaultLongtermDebtDescriptionOfViolationOrEventOfDefault_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Debt Default, Description of Violation or Event of Default</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Local Phone Number</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SoftwareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Software [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SoftwareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Software.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_SoftwareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Software</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_CN_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">People's Republic of China (PRC)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_CN_lbl" xlink:role="http://www.xbrl.org/2003/role/label">CHINA</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_CN_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">PRC</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorOpinionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Opinion [Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="currency_CNY_lbl" xlink:role="http://www.xbrl.org/2003/role/label">China, Yuan Renminbi</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="currency_CNY_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">RMB</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Policies [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disaggregation of Revenue [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Revenue</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InventoryNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inventory, Net [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label">2029</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PrepaymentToServiceVendors_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepayment To Service Vendors</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PrepaymentToServiceVendors_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Prepayment to service vendors.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_PrepaymentToServiceVendors_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepayment to service vendors</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FinancialLiabilityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Liability [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001979887_FinancialLiabilityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financial Liability.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Conversion, Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Description of Convertible Debts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares reserved for issuance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrecognized share-based compensation expected weighted-average period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OfficeEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Office and Electronic Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OfficeEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Office Equipment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedProfessionalFeesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Professional Fees, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedProfessionalFeesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued service expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfStockByClassTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock, Class of Stock [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Emerging Growth Company</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock" xlink:to="us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_lbl"/>
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          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SoftwareDevelopmentMember" xlink:to="us-gaap_SoftwareDevelopmentMember_lbl"/>
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          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock" xlink:to="us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityIncorporationStateCountryCode" xlink:to="dei_EntityIncorporationStateCountryCode_lbl"/>
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          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PlanNameAxis" xlink:to="us-gaap_PlanNameAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityAbstract" xlink:to="us-gaap_EquityAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCurrentReportingStatus" xlink:to="dei_EntityCurrentReportingStatus_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001979887_AccrualOfInitialPublicOfferingCost" xlink:to="ck0001979887_AccrualOfInitialPublicOfferingCost_lbl"/>
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          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsNet" xlink:to="us-gaap_DeferredTaxAssetsNet_lbl"/>
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          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001979887_Short-TermBankBorrowingsFromSPDSiliconValleyBankMember" xlink:to="ck0001979887_Short-TermBankBorrowingsFromSPDSiliconValleyBankMember_lbl"/>
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          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TemporaryEquityParOrStatedValuePerShare" xlink:to="us-gaap_TemporaryEquityParOrStatedValuePerShare_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareBasicAbstract" xlink:to="us-gaap_EarningsPerShareBasicAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ProductOrServiceAxis" xlink:to="srt_ProductOrServiceAxis_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockVotingRights" xlink:to="us-gaap_PreferredStockVotingRights_lbl"/>
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          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalPeriodFocus" xlink:to="dei_DocumentFiscalPeriodFocus_lbl"/>
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          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityShellCompany" xlink:to="dei_EntityShellCompany_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TemporaryEquitySharesOutstanding" xlink:to="us-gaap_TemporaryEquitySharesOutstanding_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ck0001979887_ScheduleOfOutstandingShortTermBankLoanBalancesPayableTableTextBlock" xlink:to="ck0001979887_ScheduleOfOutstandingShortTermBankLoanBalancesPayableTableTextBlock_lbl"/>
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  <xsd:element id="ck0001979887_EffectiveIncomeTaxRateReconciliationPreferentialTaxRatePercentage" name="EffectiveIncomeTaxRateReconciliationPreferentialTaxRatePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_IssuanceOfRedeemablePreferenceSharesUponConversionOfConvertibleDebts" name="IssuanceOfRedeemablePreferenceSharesUponConversionOfConvertibleDebts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_PRCTaxAdministrationAndCollectionLawMember" name="PRCTaxAdministrationAndCollectionLawMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_SeriesBRedeemablePreferenceSharesMember" name="SeriesBRedeemablePreferenceSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_SeriesBPlusPreferenceSharesInXCHGLimitedMember" name="SeriesBPlusPreferenceSharesInXCHGLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_VariousOtherUnspecifiedCountriesMember" name="VariousOtherUnspecifiedCountriesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_OrdinarySharesMember" name="OrdinarySharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_TwoThousandTwentyThreeMember" name="TwoThousandTwentyThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_IncomeTaxExaminationStatuteOfLimitationToAssessAdditionalTaxesExtendedPeriod" name="IncomeTaxExaminationStatuteOfLimitationToAssessAdditionalTaxesExtendedPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_SharesSold" name="SharesSold" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_AllowanceForDoubtfulAccountsForeignCurrencyTranslationAdjustment" name="AllowanceForDoubtfulAccountsForeignCurrencyTranslationAdjustment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_StandardWarrantyPeriod" name="StandardWarrantyPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_OperatingLossCarryforwardsExpirationYearSeven" name="OperatingLossCarryforwardsExpirationYearSeven" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_SeriesARedeemablePreferenceShares1Member" name="SeriesARedeemablePreferenceShares1Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_PaymentsOfInitialPublicOfferingCostAndPostInitialPublicOffering" name="PaymentsOfInitialPublicOfferingCostAndPostInitialPublicOffering" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_ProceedsFromIssuanceOfTemporaryEquity" name="ProceedsFromIssuanceOfTemporaryEquity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_SeriesBPlusRedeemablePreferenceShareMember" name="SeriesBPlusRedeemablePreferenceShareMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_ReDesignationOfRedeemablePreferredShare" name="ReDesignationOfRedeemablePreferredShare" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_SupplierBMember" name="SupplierBMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_ContractWithCustomerLiabilityCashReceivedInAdvance" name="ContractWithCustomerLiabilityCashReceivedInAdvance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_MezzanineEquityDisclosureTextBlock" name="MezzanineEquityDisclosureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_TwoThousandTwentyFiveShareIncentivePlanTwoMember" name="TwoThousandTwentyFiveShareIncentivePlanTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_OperatingLossCarryforwardsExpirationYearNine" name="OperatingLossCarryforwardsExpirationYearNine" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_ScheduleOfPrepaymentsAndOtherAssetsTableTextBlock" name="ScheduleOfPrepaymentsAndOtherAssetsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_ROUAssetsDisposedAsReductionOfOperatingLeaseLiabilitiesDueToLeaseModification" name="ROUAssetsDisposedAsReductionOfOperatingLeaseLiabilitiesDueToLeaseModification" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_HouYifeiMember" name="HouYifeiMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsIncomeTaxesNoncontrollingInterestTable" name="IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsIncomeTaxesNoncontrollingInterestTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_SupplierAMember" name="SupplierAMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_SeriesARedeemablePreferenceSharesMember" name="SeriesARedeemablePreferenceSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_ExecutiveOfficersMember" name="ExecutiveOfficersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_LoansToThirdParties" name="LoansToThirdParties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_ScheduleOfReceivablesFromRelatedPartyTableTextBlock" name="ScheduleOfReceivablesFromRelatedPartyTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_DifferenceInAmountOfFairValueAndTheCarryingValue" name="DifferenceInAmountOfFairValueAndTheCarryingValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_ScheduleOfDepreciationExpenseOnPropertyPlantAndEquipmentTableTextBlock" name="ScheduleOfDepreciationExpenseOnPropertyPlantAndEquipmentTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_RepaymentOfOutstandingPrincipalAndInterest" name="RepaymentOfOutstandingPrincipalAndInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_CustomerAMember" name="CustomerAMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_ScheduleOfPaymentsToRelatedPartyTableTextBlock" name="ScheduleOfPaymentsToRelatedPartyTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_NetLiabilitiesInSubsidiaries" name="NetLiabilitiesInSubsidiaries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_OperatingLossCarryforwardsExpirationYearThree" name="OperatingLossCarryforwardsExpirationYearThree" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_IncreaseDecreaseInContractLiabilities" name="IncreaseDecreaseInContractLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_AdjustmentOfProceedsFromWarrantLiabilityAllocatedToShortTermBorrowingsTreatedAsDiscountOnLoan" name="AdjustmentOfProceedsFromWarrantLiabilityAllocatedToShortTermBorrowingsTreatedAsDiscountOnLoan" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_DebtDefaultLongtermDebtAmountRemainingBalancesSettled" name="DebtDefaultLongtermDebtAmountRemainingBalancesSettled" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_PaymentsToConvertibleDebtsHoldersInConnectionWithConversionOfConvertibleDebts" name="PaymentsToConvertibleDebtsHoldersInConnectionWithConversionOfConvertibleDebts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_EstimatedFairValueWarrantsLiability" name="EstimatedFairValueWarrantsLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_PaymentsToExistingEquityHoldersInConnectionWithRestructuring" name="PaymentsToExistingEquityHoldersInConnectionWithRestructuring" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_PercentageOfAccruedInterestOnOverduePrincipalAmount" name="PercentageOfAccruedInterestOnOverduePrincipalAmount" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossConversionOfConvertibleDebtsIntoPreferenceShares" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossConversionOfConvertibleDebtsIntoPreferenceShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_DebtDefaultLongtermDebtAmountRepaid" name="DebtDefaultLongtermDebtAmountRepaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_ShareOfProfitsInSubsidiaries" name="ShareOfProfitsInSubsidiaries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_OperatingLossCarryforwardsExpirationYearEight" name="OperatingLossCarryforwardsExpirationYearEight" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_ValueAddedTaxesPolicyTextBlock" name="ValueAddedTaxesPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_IssuanceOfALoanToARelatedPartyOfAShareholder" name="IssuanceOfALoanToARelatedPartyOfAShareholder" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_ScheduleOfLeaseModificationsBasedOnTheStatementsOfIncomeTableTextBlock" name="ScheduleOfLeaseModificationsBasedOnTheStatementsOfIncomeTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_ProceedsFromConvertibleDebtHoldersInConnectionWithConversionOfConvertibleDebts" name="ProceedsFromConvertibleDebtHoldersInConnectionWithConversionOfConvertibleDebts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_DebtDefaultLongtermDebtAmountsRepaid" name="DebtDefaultLongtermDebtAmountsRepaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_ProceedsFromCollectionOfAdvancesToTheFoundersAndExecutiveOfficers" name="ProceedsFromCollectionOfAdvancesToTheFoundersAndExecutiveOfficers" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_DescriptionOfPeriodExtentionStatuteOfLimitations" name="DescriptionOfPeriodExtentionStatuteOfLimitations" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_PaymentOfInterestFreeAdvance" name="PaymentOfInterestFreeAdvance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_Short-TermBankBorrowingsFromSPDSiliconValleyBankMember" name="Short-TermBankBorrowingsFromSPDSiliconValleyBankMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_OperatingLossYear" name="OperatingLossYear" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_IncomeTaxExpenseBenefitContinuingOperationsTable" name="IncomeTaxExpenseBenefitContinuingOperationsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_ConcentrationOfRiskPolicyTextBlock" name="ConcentrationOfRiskPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_PrepaymentsAndOtherAssetsTable" name="PrepaymentsAndOtherAssetsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_BeijingPuyanMember" name="BeijingPuyanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_CreditFacilityWithDevelopmentBankOfSingaporeMember" name="CreditFacilityWithDevelopmentBankOfSingaporeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_TwoThousandTwentyFiveShareIncentivePlanMember" name="TwoThousandTwentyFiveShareIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_SeriesBPreferenceSharesMember" name="SeriesBPreferenceSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_FutureEVLimitedMember" name="FutureEVLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_IncomeTaxExaminationStatuteOfLimitationForUnderpaymentOfTaxesPeriod" name="IncomeTaxExaminationStatuteOfLimitationForUnderpaymentOfTaxesPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_PrepaymentToServiceVendors" name="PrepaymentToServiceVendors" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_LossOnModificationOfOperatingLeaseContract" name="LossOnModificationOfOperatingLeaseContract" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_PaymentsToLoansProvidedToThirdParties" name="PaymentsToLoansProvidedToThirdParties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_ValueAddedTaxPercentage" name="ValueAddedTaxPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_TwoThousandTwentyThreeShareIncentivePlanMember" name="TwoThousandTwentyThreeShareIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_AccretionOfRedeemableConvertiblePreferredSharesToRedemptionValue" name="AccretionOfRedeemableConvertiblePreferredSharesToRedemptionValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_SeriesSeedPreferenceSharesMember" name="SeriesSeedPreferenceSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_GrossProceedsFromConvertibleDebt" name="GrossProceedsFromConvertibleDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_PrepaymentsAndOtherAssetsLineItems" name="PrepaymentsAndOtherAssetsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateIncomeLoss" name="EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRateIncomeLoss" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_OperatingLossCarryforwardsExpirationYear" name="OperatingLossCarryforwardsExpirationYear" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_ReceivedMaterialsFromRelatedParties" name="ReceivedMaterialsFromRelatedParties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_SellProductsToRelatedParty" name="SellProductsToRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_IncomeTaxesTradeTaxRate" name="IncomeTaxesTradeTaxRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_IncomeTaxSolidaritySurchargePercentage" name="IncomeTaxSolidaritySurchargePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_SharesGranted" name="SharesGranted" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_PaymentsOfInitialPublicOfferingCostAndFollowUpOfferingCost" name="PaymentsOfInitialPublicOfferingCostAndFollowUpOfferingCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_ProceedsFromCollectionOfTheLoanToARelatedPartyOfAShareholder" name="ProceedsFromCollectionOfTheLoanToARelatedPartyOfAShareholder" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_TwoThousandTwentyFourMember" name="TwoThousandTwentyFourMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_PurchaseOfMaterialsFromRelatedParties" name="PurchaseOfMaterialsFromRelatedParties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_RevenueFromOptionalMaintenanceServicePeriod" name="RevenueFromOptionalMaintenanceServicePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_CostOfRevenuesMember" name="CostOfRevenuesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_CustomerDMember" name="CustomerDMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_ForeignExchangeTranslationAdjustments" name="ForeignExchangeTranslationAdjustments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_IncomeTaxDisclosureTable" name="IncomeTaxDisclosureTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_OperatingLossCarryforwardsExpirationYearSix" name="OperatingLossCarryforwardsExpirationYearSix" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_FoundersMember" name="FoundersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslationAdjustments" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslationAdjustments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_SupplierCMember" name="SupplierCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_SummaryOfRightOfUseAssetsAndLeaseLiabilitiesTableTextBlock" name="SummaryOfRightOfUseAssetsAndLeaseLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_EVChargesMember" name="EVChargesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_ConvertibleNotesMember" name="ConvertibleNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_ReductionsOfValuationAllowance" name="ReductionsOfValuationAllowance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_ClassAAndClassBOrdinarySharesMember" name="ClassAAndClassBOrdinarySharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_OfficeAndElectronicEquipmentMember" name="OfficeAndElectronicEquipmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_ZhichongTechnologyCoLtdMember" name="ZhichongTechnologyCoLtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_ShengweiVentureCapitalManagementMember" name="ShengweiVentureCapitalManagementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_DeductibleInputVAT" name="DeductibleInputVAT" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_UnvestedSharesMember" name="UnvestedSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_NextEVLimitedMember" name="NextEVLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_LiquidationAdditionalPercentagePayable" name="LiquidationAdditionalPercentagePayable" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_SeriesAngelPreferenceSharesMember" name="SeriesAngelPreferenceSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_NumberOfVotePerShare" name="NumberOfVotePerShare" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_IncomeTaxExaminationStatuteOfLimitationForUnderpaymentOfTaxesAboveThresholdLimitPeriod" name="IncomeTaxExaminationStatuteOfLimitationForUnderpaymentOfTaxesAboveThresholdLimitPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_IncomeTaxReconciliationEffectOfTrueUpOnNOL" name="IncomeTaxReconciliationEffectOfTrueUpOnNOL" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_AddressOneMember" name="AddressOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_XChargeTechnologyMember" name="XChargeTechnologyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_PRCSubsidiariesMember" name="PRCSubsidiariesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsIncomeTaxesNoncontrollingInterestLineItems" name="IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsIncomeTaxesNoncontrollingInterestLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_ReversalOfExpectedCreditLosses" name="ReversalOfExpectedCreditLosses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_AccruedPayrollAndSocialInsurance" name="AccruedPayrollAndSocialInsurance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_ScheduleOfOutstandingShortTermBankLoanBalancesPayableTableTextBlock" name="ScheduleOfOutstandingShortTermBankLoanBalancesPayableTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_InvestorBAndInvestorCMember" name="InvestorBAndInvestorCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_ScheduleOfPropertyAndEquipmentEstimatedUsefulLivesTableTextBlock" name="ScheduleOfPropertyAndEquipmentEstimatedUsefulLivesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_ContractWithCustomerLiabilityRevenueRecognizedDuringPeriod" name="ContractWithCustomerLiabilityRevenueRecognizedDuringPeriod" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_IncomeTaxesCorporateTaxRate" name="IncomeTaxesCorporateTaxRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_PaymentOfInterestFreeAdvancesToFoundersAndExecutiveOfficers" name="PaymentOfInterestFreeAdvancesToFoundersAndExecutiveOfficers" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_SoftwareMember" name="SoftwareMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossConversionOfConvertibleDebtsIntoShort-TermBorrowing" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossConversionOfConvertibleDebtsIntoShort-TermBorrowing" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_RequiredPercentageOfStatutorySurplusFundOfAfterTaxProfits" name="RequiredPercentageOfStatutorySurplusFundOfAfterTaxProfits" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_InvestorCMember" name="InvestorCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_ProvisionForExpectedCreditLosses" name="ProvisionForExpectedCreditLosses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_DividendDeclared" name="DividendDeclared" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_PercentageOfCanceledEquityInterests" name="PercentageOfCanceledEquityInterests" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_OperatingLossCarryforwardsExpirationYearTwo" name="OperatingLossCarryforwardsExpirationYearTwo" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_DebtConversionConditionTwoMember" name="DebtConversionConditionTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_ConversionOfConvertibleDebtsIntoConvertibleRedeemablePreferredShares" name="ConversionOfConvertibleDebtsIntoConvertibleRedeemablePreferredShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_EffectiveIncomeTaxRateReconciliationPreferentialTaxRateAmount" name="EffectiveIncomeTaxRateReconciliationPreferentialTaxRateAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_CancelationOfOrdinarySharesOutstanding" name="CancelationOfOrdinarySharesOutstanding" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_CustomerFMember" name="CustomerFMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_PrepaymentsAndOtherAssetsTextBlock" name="PrepaymentsAndOtherAssetsTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_DeferredTaxLiabilitiesRightOfUseAssets" name="DeferredTaxLiabilitiesRightOfUseAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_NetIncomeLossAvailableToCommonStockholders" name="NetIncomeLossAvailableToCommonStockholders" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_PurchaseMember" name="PurchaseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_ContractualServicePeriod" name="ContractualServicePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_ConversionOfPreferenceSharesImmediatelyPriorToCompletionOfIPO" name="ConversionOfPreferenceSharesImmediatelyPriorToCompletionOfIPO" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_CustomerIMember" name="CustomerIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_PercentageOfEquityInterestCalculatedOnAFullyDilutedBasisAccordingToWarrantAgreement" name="PercentageOfEquityInterestCalculatedOnAFullyDilutedBasisAccordingToWarrantAgreement" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_RedeemablePreferenceSharesMember" name="RedeemablePreferenceSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_AccrualOfInitialPublicOfferingCost" name="AccrualOfInitialPublicOfferingCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_OtherPRCCompaniesMember" name="OtherPRCCompaniesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_IncreaseDecreaseInFairValueOfFinancialInstruments" name="IncreaseDecreaseInFairValueOfFinancialInstruments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_CustomerCMember" name="CustomerCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_TwoThousandTwentyThreeShareIncentivePlanTwoMember" name="TwoThousandTwentyThreeShareIncentivePlanTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_DebtConversionConditionOneMember" name="DebtConversionConditionOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_GeneralAndAdministrativeExpensesPolicyTextBlock" name="GeneralAndAdministrativeExpensesPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_IncomeTaxExaminationThresholdLimitForTransferPricing" name="IncomeTaxExaminationThresholdLimitForTransferPricing" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_IncreaseDecreaseInOperatingLeaseLiabilities" name="IncreaseDecreaseInOperatingLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_PaymentsOfInitialPublicOfferingCost" name="PaymentsOfInitialPublicOfferingCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_Short-TermBankBorrowingsMember" name="Short-TermBankBorrowingsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_IncomeTaxExpenseBenefitContinuingOperationsLineItems" name="IncomeTaxExpenseBenefitContinuingOperationsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_InvestorAMember" name="InvestorAMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_ConversionOfConvertiblePreferredSharesToOrdinaryShares" name="ConversionOfConvertiblePreferredSharesToOrdinaryShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_AdditionalRedemptionPercentage" name="AdditionalRedemptionPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_ScheduleOfSupplementalLeaseCashFlowInformationTableTextBlock" name="ScheduleOfSupplementalLeaseCashFlowInformationTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_TwoThousandTwentySixShareIncentivePlanMember" name="TwoThousandTwentySixShareIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_DecreaseOfLeaseLiabilitiesCausedByLeaseModifications" name="DecreaseOfLeaseLiabilitiesCausedByLeaseModifications" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_CustomerEMember" name="CustomerEMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_ZhichongNewEnergyMember" name="ZhichongNewEnergyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_ReceivablesFromThirdPartyPaymentPlatforms" name="ReceivablesFromThirdPartyPaymentPlatforms" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_NetOffAgainstDeferredTaxAssets" name="NetOffAgainstDeferredTaxAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_StockIssuedDuringPeriodSharesUnvestedShares" name="StockIssuedDuringPeriodSharesUnvestedShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_AdjustmentsToAdditionalPaidInCapitalConversionOfPreferenceSharesValueImmediatelyPriorToTheCompletionOfIPO" name="AdjustmentsToAdditionalPaidInCapitalConversionOfPreferenceSharesValueImmediatelyPriorToTheCompletionOfIPO" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_LimitOfStatutorySurplusFundForAppropriationPercentage" name="LimitOfStatutorySurplusFundForAppropriationPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_ProceedsFromExistingEquityHoldersInConnectionWithRestructuring" name="ProceedsFromExistingEquityHoldersInConnectionWithRestructuring" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_ContractWithCustomerLiabilityForeignCurrencyTranslation" name="ContractWithCustomerLiabilityForeignCurrencyTranslation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_SeriesAPlusPreferenceSharesMember" name="SeriesAPlusPreferenceSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_ElectricVehiclesChargersMember" name="ElectricVehiclesChargersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_OperatingLossCarryforwardsExpirationYearTen" name="OperatingLossCarryforwardsExpirationYearTen" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_IncomeTaxReconciliationTrueUpOnNOLAmount" name="IncomeTaxReconciliationTrueUpOnNOLAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_OrdinarySharesConversionRatio" name="OrdinarySharesConversionRatio" type="xbrli:pureItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_AmountOfDifferenceBetweenTheFairValueOfSeriesBRedeemablePreferenceSharesAndSeriesAngelShares" name="AmountOfDifferenceBetweenTheFairValueOfSeriesBRedeemablePreferenceSharesAndSeriesAngelShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_InvestorBMember" name="InvestorBMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_StockIssuedDuringPeriodValueUnvestedShares" name="StockIssuedDuringPeriodValueUnvestedShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_AccountingPoliciesLineItems" name="AccountingPoliciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_PercentageOfRedemptionPriceOfIssuePrice" name="PercentageOfRedemptionPriceOfIssuePrice" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_DingRuiMember" name="DingRuiMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_SupplierFMember" name="SupplierFMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_AccrualOfIPOAndFollowUpOfferingCost" name="AccrualOfIPOAndFollowUpOfferingCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_ChangesInFairValueOfConvertibleDebts" name="ChangesInFairValueOfConvertibleDebts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_NetOffAgainstDeferredTaxLiabilities" name="NetOffAgainstDeferredTaxLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_AddressTwoMember" name="AddressTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_OperatingLossCarryforwardsExpirationYearFive" name="OperatingLossCarryforwardsExpirationYearFive" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_ShareOfProfitsLossesInSubsidiaries" name="ShareOfProfitsLossesInSubsidiaries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_ContractWithCustomerLiabilityMember" name="ContractWithCustomerLiabilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_FinancialLiabilityAbstract" name="FinancialLiabilityAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossAccruedInterests" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossAccruedInterests" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_AdditionalSharesIssuedAndSoldToUnderwriter" name="AdditionalSharesIssuedAndSoldToUnderwriter" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_ProceedsFromCollectionOfTheLoanToARelatedParty" name="ProceedsFromCollectionOfTheLoanToARelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_CustomerBMember" name="CustomerBMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_AdoptionOfAccountingStandardsUpdate" name="AdoptionOfAccountingStandardsUpdate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_ChangesInFairValueOfFinancialInstrument" name="ChangesInFairValueOfFinancialInstrument" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_IssuanceOfLoansToRelatedParty" name="IssuanceOfLoansToRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_OperatingLossCarryforwardsSecondExpirationYear" name="OperatingLossCarryforwardsSecondExpirationYear" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_AmericanDepositarySharesMember" name="AmericanDepositarySharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_PrepaymentsAndOtherAssetsAbstract" name="PrepaymentsAndOtherAssetsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_ReductionInCarryingAmountOfRightOfUseAssets" name="ReductionInCarryingAmountOfRightOfUseAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_SeriesAngelSharesMember" name="SeriesAngelSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_AccountingPoliciesTable" name="AccountingPoliciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_SeriesAngelRedeemablePreferenceSharesMember" name="SeriesAngelRedeemablePreferenceSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_ReceivablesFromUnderwriter" name="ReceivablesFromUnderwriter" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_DeferredTaxAssetsOperatingLeaseLiabilities" name="DeferredTaxAssetsOperatingLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_ConvertibleLoanMember" name="ConvertibleLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_PaymentsOfTemporaryEquityIssuanceCosts" name="PaymentsOfTemporaryEquityIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_FinancialLiabilityPolicyTextBlock" name="FinancialLiabilityPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_CustomerGMember" name="CustomerGMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_BankOfNanjingBeijingBranchMember" name="BankOfNanjingBeijingBranchMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_ProceedsFromWarrantsLiabilityAllocatedToShortTermBorrowings" name="ProceedsFromWarrantsLiabilityAllocatedToShortTermBorrowings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_BankOfBeijingFuyuSubBranchMember" name="BankOfBeijingFuyuSubBranchMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_BeijingX-ChargeTechnologyCoLtdMember" name="BeijingX-ChargeTechnologyCoLtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_ChinaMerchantsBankBeijingDayuncunSubBranchMember" name="ChinaMerchantsBankBeijingDayuncunSubBranchMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_DecreaseOfROUAssetsCausedByLeaseModifications" name="DecreaseOfROUAssetsCausedByLeaseModifications" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_FinancialLiabilityMember" name="FinancialLiabilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_FinancialLiabilityTextBlock" name="FinancialLiabilityTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_DeferredOfferingCostsChargedAgainstAdditionalPaidInCapital" name="DeferredOfferingCostsChargedAgainstAdditionalPaidInCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_NetProceedsFromIPOAndPartialExerciseOfOver-AllotmentOptionAfterCommissionsAndOfferingExpenses" name="NetProceedsFromIPOAndPartialExerciseOfOver-AllotmentOptionAfterCommissionsAndOfferingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_CustomerHMember" name="CustomerHMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_AccruedIPOAndFollowUpOfferingCost" name="AccruedIPOAndFollowUpOfferingCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_SupplierEMember" name="SupplierEMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_DeferredTaxAssetsShareBasedCompensation" name="DeferredTaxAssetsShareBasedCompensation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_AccruedExpensesAndOtherCurrentLiabilitiesTableTextBlock" name="AccruedExpensesAndOtherCurrentLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_RepaymentOfInterestFreeAdvance" name="RepaymentOfInterestFreeAdvance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_LiquidationPercentagePayableOfInvestment" name="LiquidationPercentagePayableOfInvestment" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_PurchasesFromSuppliers" name="PurchasesFromSuppliers" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_ShenzhenZhichongMember" name="ShenzhenZhichongMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_BankOfChinaBeijingGuomaoSubBranchMember" name="BankOfChinaBeijingGuomaoSubBranchMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_WorkingCapital" name="WorkingCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_CostOfRevenueMember" name="CostOfRevenueMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_IncomeTaxDisclosureLineItems" name="IncomeTaxDisclosureLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_SupplierDMember" name="SupplierDMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_OtherCountryMember" name="OtherCountryMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_WarrantiesPolicyTextBlock" name="WarrantiesPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_DebtConversionConditionThreeMember" name="DebtConversionConditionThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_AdjustmentsToAdditionalPaidInCapitalConversionOfPreferenceSharesImmediatelyPriorToTheCompletionOfIPO" name="AdjustmentsToAdditionalPaidInCapitalConversionOfPreferenceSharesImmediatelyPriorToTheCompletionOfIPO" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_LoansFromInvestorCMember" name="LoansFromInvestorCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001979887_CommonStockSharesRepresentedByEachAmericanDepositaryReceipt" name="CommonStockSharesRepresentedByEachAmericanDepositaryReceipt" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_OperatingLossCarryforwardsExpirationYearFour" name="OperatingLossCarryforwardsExpirationYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001979887_ConsiderationPayableInConnectionWithLongTermInvestments" name="ConsiderationPayableInConnectionWithLongTermInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_IncomeTaxReconciliationTrueUpOnNOL" name="IncomeTaxReconciliationTrueUpOnNOL" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_ConversionOfPreferenceSharesUponClosingOfIPO" name="ConversionOfPreferenceSharesUponClosingOfIPO" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001979887_IncomeTaxExaminationStatuteOfLimitationToAssessAdditionalTaxesPeriod" name="IncomeTaxExaminationStatuteOfLimitationToAssessAdditionalTaxesPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001979887_SaleOfMaterialsToRelatedParties" name="SaleOfMaterialsToRelatedParties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
</xsd:schema>
