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Chinaisthethirdlargestlubricationoilproductioncountry,onlyaftertheUSAandRussia,aswellasoneofthelargestconsumerofsuchoilintheworld.Duetothegapofbaseoilprocessingtechnology,however,thelubricationoilqualityusedtobemuchlowerthanthefirstrateoftheworld.The...