... Certification 2.Easy Maintenance 3.PLC Control System 4.Reliable Performance 5.PVC HDPE Plastic Pipe Extrusion Line ModelSJZ-45SJZ- ... of product---7.Cooling tank makes the unit natural ===Performance And Specification ---1.Own-brand barrel and screw,design ... operation, great application range, long live span, and PVC powder direct processing.---5.With suitable moulds, can processing pipes, profiles ...