... to PVC, CPVC, UPVC Pipe Making Machine, Plastic Pipe Production Line:PVC, CPVC, UPVC Pipe Making Machine, Plastic Pipe Production Line SJPGZ series plastic pipe extrusion line is specializing in manufacturing PVC ... cables, etc.Features of production line:This production line consists of conical (parallel) double-screw extruder, vacuum sizing platform, tractor, cutting machine, stacker, etc. The ...