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<!-- Created: Tue May 12 14:59:47 UTC 2026 -->
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        <link:definition>996002 - Disclosure - Property and Equipment (Tables)</link:definition>
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        <link:definition>996003 - Disclosure - Convertible Notes (Tables)</link:definition>
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        <link:definition>996004 - Disclosure - Organization and Operations (Details)</link:definition>
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        <link:definition>996006 - Disclosure - Summary of Significant Accounting Policies - Property, Plant and Equipment (Details)</link:definition>
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        <link:definition>996010 - Disclosure - Prepaid Expenses and Other Receivable (Details)</link:definition>
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        <link:definition>996011 - Disclosure - Convertible Notes (Details)</link:definition>
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        <link:definition>996012 - Disclosure - Convertible Notes - Convertible Debt (Details)</link:definition>
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        <link:definition>996013 - Disclosure - Convertible Notes - Convertible Debt (Parentheticals) (Details)</link:definition>
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        <link:definition>996014 - Disclosure - Loans Payable (Details)</link:definition>
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        <link:definition>996015 - Disclosure - Due to Related Party (Details)</link:definition>
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        <link:definition>996016 - Disclosure - Income Tax (Details)</link:definition>
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        <link:definition>996017 - Disclosure - Revenue, Cost of Revenue and Major Customers (Details)</link:definition>
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        <link:definition>996018 - Disclosure - Acquisition of Mining Rights in Mexico (Details)</link:definition>
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        <link:definition>996019 - Disclosure - Commitments (Details)</link:definition>
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  <xs:element name="EMoBiotechHoldingIncMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="fsnt_EMoBiotechHoldingIncMember"/>
  <xs:element name="EstimatedUsefulLivesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="fsnt_EstimatedUsefulLivesMember"/>
  <xs:element name="ExploratoryDrillingAgreementAndRelatedCostsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="fsnt_ExploratoryDrillingAgreementAndRelatedCostsMember"/>
  <xs:element name="FuseTradingLimitedTradingMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="fsnt_FuseTradingLimitedTradingMember"/>
  <xs:element name="JiamingDongMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="fsnt_JiamingDongMember"/>
  <xs:element name="LingZhangMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="fsnt_LingZhangMember"/>
  <xs:element name="March202026And2027Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="fsnt_March202026And2027Member"/>
  <xs:element name="May12026And2027Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="fsnt_May12026And2027Member"/>
  <xs:element name="OTCListingFeeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="fsnt_OTCListingFeeMember"/>
  <xs:element name="OneCustomerMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="fsnt_OneCustomerMember"/>
  <xs:element name="PortafolioEnInvestigacionAmbientalSADeCVAMexicanCompanyPortafolioMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="fsnt_PortafolioEnInvestigacionAmbientalSADeCVAMexicanCompanyPortafolioMember"/>
  <xs:element name="PortafolioEnInvestigacionAmbientalSADeCVPortafolioMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="fsnt_PortafolioEnInvestigacionAmbientalSADeCVPortafolioMember"/>
  <xs:element name="PrereverseSplitCommonStockMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="fsnt_PrereverseSplitCommonStockMember"/>
  <xs:element name="PrincipalAndInterestMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="fsnt_PrincipalAndInterestMember"/>
  <xs:element name="PropertyPlantAndEquipment1Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="fsnt_PropertyPlantAndEquipment1Member"/>
  <xs:element name="ThreeConvertiblePromissoryNotePurchaseAgreementsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="fsnt_ThreeConvertiblePromissoryNotePurchaseAgreementsMember"/>
  <xs:element name="TwoIndividualsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="fsnt_TwoIndividualsMember"/>
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</xs:schema>
