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Cov neeg siv khoom feem ntau yuav paub PVC los ntawm kev siv lub npe "vinyl".PVC yog luv luv rau polyvinyl chloride, thiab yog qhov tshwj xeeb tshaj yog siv los ua kab da dej thiab lwm yam khoom ua los ntawm yas.Yog li PEVA yog dab tsi, koj nug?PEVA yog lwm txoj hauv kev rau PVC.Polyethylene vinyl ac ...Nyeem ntxiv»
