PVC, PP, PE manufacturer / supplier in China, offering Genral Purpose Polystyrene Tairirex 535h GPPS 535, Stl GPPS 535 Mfr3 G/10min PS Lianyungang Plastic Material, Stl GPPS 525 Mfr 8 Lianyungang Polystyrene PS Plastic Material and so on.