Cov cuab yeej ua haujlwm ntawm cov kab ntau lawm PVC cov kab ntau lawm? - Suzhou Polytime Tshuab Co., Ltd.
PVC yeeb nkab hais txog tias cov khoom siv raw rau ua cov yeeb nkab yog PVC Resin Hmoov. PVC yeeb nkab yog ib hom khoom siv hluavtaws uas yog hlub hlub, nrov, thiab siv dav hauv lub ntiaj teb. Nws cov hom no feem ntau muab faib los ntawm kev siv cov kav dej, suav nrog cov kav dej ntws tawm, dej s ...