PVC, PP, PE manufacturer / supplier in China, offering Wankai Pet Wk-631 Polyethylene Terephthalate Good Color Value IV 0.640± 0.02, Billion Pet Semi-Dull Polyethylene Terephthalate Good Color Value IV 0.685± 0.01, Yisheng Pet Ys-Y01 Polyethylene Terephthalate Good Color Value IV 0.83± 0.015 and so on.