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    <import namespace="http://fasb.org/srt-types/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-types-2025.xsd" />
    <element id="CIIT_UndesignatedPreferredStockMember" name="UndesignatedPreferredStockMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_GlobalLogisticsServicesMember" name="GlobalLogisticsServicesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_SaleOfMineralsMember" name="SaleOfMineralsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_OtherRevenueMember" name="OtherRevenueMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_CostOfMineralsMember" name="CostOfMineralsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_CommonSharesMember" name="CommonSharesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_PreferredSharesAMember" name="PreferredSharesAMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_PreferredSharesBMember" name="PreferredSharesBMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_PreferredStockSeriesBMember" name="PreferredStockSeriesBMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_SubscriptionReceivableMember" name="SubscriptionReceivableMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_RQSMember" name="RQSMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_IncomeTaxPenaltyMember" name="IncomeTaxPenaltyMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_ConvertibleSeriesBPreferredStockMember" name="ConvertibleSeriesBPreferredStockMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_UplistingMember" name="UplistingMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_InventoryPurchaseMember" name="InventoryPurchaseMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_EmployeeReimbursementAdvanceMember" name="EmployeeReimbursementAdvanceMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_PrepaidIncomeTaxMember" name="PrepaidIncomeTaxMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_OtherServicesMember" name="OtherServicesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_FivePresentOrFormerMembersOfTheBoardMember" name="FivePresentOrFormerMembersOfTheBoardMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_RQSCapitalMember" name="RQSCapitalMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_NineInvestorsMember" name="NineInvestorsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_RQSCapitalLimitedMember" name="RQSCapitalLimitedMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_ThirdPartyConsultantMember" name="ThirdPartyConsultantMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_TianciMember" name="TianciMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_RoshingMember" name="RoshingMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_CustomerOneMember" name="CustomerOneMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_CustomerTwoMember" name="CustomerTwoMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_CustomerThreeMember" name="CustomerThreeMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_NoCustomersMember" name="NoCustomersMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_TotalPurchasesMember" name="TotalPurchasesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_VendorOneMember" name="VendorOneMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_VendorTwoMember" name="VendorTwoMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_NoVendorMember" name="NoVendorMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_OneVendorMember" name="OneVendorMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_HongKongOfficeSpaceMember" name="HongKongOfficeSpaceMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_HongKongOfficeFacilityMember" name="HongKongOfficeFacilityMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_HongKongOfficeRentalServiceAgreementMember" name="HongKongOfficeRentalServiceAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_ElectronicDeviceHardwareComponentsSalesMember" name="ElectronicDeviceHardwareComponentsSalesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_SoftwareAndWebsiteDevelopmentServicesMember" name="SoftwareAndWebsiteDevelopmentServicesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_SoftwareMaintenanceAndBusinessPromotionServicesMember" name="SoftwareMaintenanceAndBusinessPromotionServicesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_BusinessConsultingServicesMember" name="BusinessConsultingServicesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_CashPaidDuringPeriodForAbstract" name="CashPaidDuringPeriodForAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_IssuanceCommonStockForInventoryPurchase" name="IssuanceCommonStockForInventoryPurchase" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_ConversionOfPreferredStockToCommonStock" name="ConversionOfPreferredStockToCommonStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_DisclosurePublicOfferingAndDeferredOfferingCostsAbstract" name="DisclosurePublicOfferingAndDeferredOfferingCostsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_PublicOfferingAndDeferredOfferingCostsDisclosureTextBlock" name="PublicOfferingAndDeferredOfferingCostsDisclosureTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_DisclosurePrepaymentAndOtherCurrentAssetsAbstract" name="DisclosurePrepaymentAndOtherCurrentAssetsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_PrepaidExpensesDisclosureTextBlock" name="PrepaidExpensesDisclosureTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_PrepaidExpensesPolicyTextBlock" name="PrepaidExpensesPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_NoncontrollingInterestsPolicyTextBlock" name="NoncontrollingInterestsPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_RelatedPartiesPolicyTextBlock" name="RelatedPartiesPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_CapitalStockAuthorizedTableTextBlock" name="CapitalStockAuthorizedTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_DisclosureTable" name="DisclosureTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="CIIT_DisclosureLineItemElements" name="DisclosureLineItemElements" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_AllowanceForImpairmentOfPrepaymentAndOtherCurrentAssets" name="AllowanceForImpairmentOfPrepaymentAndOtherCurrentAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_GrossProceedsFromIssuanceOrSaleOfEquity" name="GrossProceedsFromIssuanceOrSaleOfEquity" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_UndesignatedPreferredStockAuthorized" name="UndesignatedPreferredStockAuthorized" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_UndesignatedPreferredStockOutstanding" name="UndesignatedPreferredStockOutstanding" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_WarrantsIssuedShares" name="WarrantsIssuedShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_CashInsuredAmount" name="CashInsuredAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_ReceivableToSubsidiaries" name="ReceivableToSubsidiaries" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_InvestmentInSubsidiaries" name="InvestmentInSubsidiaries" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_DueToRelatedParties" name="DueToRelatedParties" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_ShareOfLossFromInvestmentInSubsidiaries" name="ShareOfLossFromInvestmentInSubsidiaries" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_OperatingProceedsFromSubsidiaries" name="OperatingProceedsFromSubsidiaries" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_RepaymentOfWorkingCapitalAdvanceToSubsidiary" name="RepaymentOfWorkingCapitalAdvanceToSubsidiary" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CIIT_DeferredOfferingCostsIncurred" name="DeferredOfferingCostsIncurred" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
</schema>
