Embodiedcarbonintradehasattractedtheattentionofresearchers,developers,andindustryleadersworldwide,asithasbecomeaconsiderablesourceoftradeconflict.BecauseChinaistheworld’sleadingcarbon-emittingcountry,itisimportanttostudythechangetrendsofembodiedCO2inChinesetradetoidentifykeyinfluencingfactors.ThispaperinvestigatesthetradeembodiedCO2inChina,withspecialfocusontheproductionprocessandmaterialsofeachindustrialsectorfrom1990to2013.Thisstudywasconductedbyusinganinput-outputmodel,whichanalyzesthespecificcausesofperiodicwaves.Ourfindingssuggestthatthemachinemanufacturingsectorproducedthelargestshareofemissions,whereasthemetalandnon-metalsectorhasthehighestemissionintensity.Moreover,thetotalemissionquantitiesintradeincreasedfrom612to3331milliontonsin1990to2013,aperiodcharacterizedbydecentralizedtrendsinemissionsexportedtotradepartners.Wealsoemployedthelog-meanpisiaindex（LMDI）modeltodecomposethecarbonemissionschangesintoexportstructure,exportscale,energystructure,andenergyintensity,andestimatetheinfluenceofthesefactorsatanumberoftimepoints.Wefoundthatenergyintensitycurbsemissionsincrease,andthatexportscaleexpansionisthestrongestdrivingforce.
