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  <xs:element name="TengshengPaperCoLtdMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="itp_TengshengPaperCoLtdMember"/>
  <xs:element name="TengshengPaperMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="itp_TengshengPaperMember"/>
  <xs:element name="TermLoanMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="itp_TermLoanMember"/>
  <xs:element name="ThreeSupplierMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="itp_ThreeSupplierMember"/>
  <xs:element name="TwentyTwentyThreeIncentiveStockPlanMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="itp_TwentyTwentyThreeIncentiveStockPlanMember"/>
  <xs:element name="TwoSuppliersMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="itp_TwoSuppliersMember"/>
  <xs:element name="TwoThousandTwentyFiveOmnibusEquityIncentivePlanMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="itp_TwoThousandTwentyFiveOmnibusEquityIncentivePlanMember"/>
  <xs:element name="UnitedStatesOfAmericaTaxLawsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="itp_UnitedStatesOfAmericaTaxLawsMember"/>
  <xs:element name="WorkingCapitalLoanAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="itp_WorkingCapitalLoanAgreementMember"/>
  <xs:element name="XushuiLandLeaseMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="itp_XushuiLandLeaseMember"/>
  <xs:element name="oneSuppliersMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="itp_oneSuppliersMember"/>
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  <xs:element name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="itp_DocumentAndEntityInformationAbstract"/>
</xs:schema>
