... Machine, Plastic Pipe Production Line:PVC, CPVC, UPVC Pipe Making Machine, Plastic Pipe Production Line SJPGZ series plastic pipe extrusion line ... Features of production line:This production line consists of conical (parallel) double-screw extruder, vacuum sizing platform, tractor, cutting machine, stacker ... device is equipped. The property of the production line is reliable and the output is high.In ...