Xov xwm
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Qhov sib txawv ntawm txoj hlua polyethylene thiab polypropylene hlua
Tsis ntev los no, ib tus neeg siv khoom nug txog tus nqi ntawm PP danline hlua.Cov neeg siv khoom yog cov chaw tsim khoom lag luam uas xa tawm cov nuv ntses.Feem ntau, lawv siv txoj hlua polyethylene.Tab sis txoj hlua polyethylene yog du thiab zoo thiab yooj yim rau xoob tom qab knotting.Qhov zoo ntawm PP danline hlua yog nws cov qauv fiber ntau....Nyeem ntxiv