Zhangjiagang Saiou Machinery Co., LTD. is a private high-tech enterprise specializing in research, developing and producing plastic machinery. Our company was established in 2000 near Shanghai and Suzhou. Our products provided include (1) Extrusion Production lines for HDPE corrugated pipe, PE/PVC/PPR pipe, PE/PVC double wall corrugated pipe, AL-PE composite pipe, PE carbon spiral pipe, double-wall large spiral pipe (2) plastic profiles production line (3) waste plastic recycling and reprocessing machines (4) single or twin screw extruder (5) mixer, cutter, hauling machine and other auxiliary machines. Besides, machines can be made as specially required. The service of regulating and operator training are available.