Zhangjiagang Saiou Machinery Co., Ltd are a professional manufacturer and exporter specializing in research, developing and producing kinds of plastic machinery. Such as waste plastic recycling machine (1) PP PE film washing & recycling line, HDPE bottle washing line , PET bottle washing line , PE film granulating line , PP woven bags pelletizing line; (2) Extrusion Production lines for PVC pipe making machines , HDPE corrugated pipe, PE/PVC/PPR pipe, PE/PVC double wall corrugated pipe, PE carbon spiral pipe, double-wall large spiral pipe. and other auxiliary machinery.