Kuenzaniswa nePET uye PP zvinhu, PP ichave yakanyanya kukwirira mukuita.1. Musiyano kubva kune tsanangudzo PET (Polyethylene terephthalate) zita rezvesayenzi ndiro polyethylene terephthalate, inowanzonzi polyester resin, iine resin material.PP (polypropylene) ...
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