Extrusion Line, Pipe Making Machine manufacturer / supplier in China, offering 110-315mm Plastic Extruder Plastic Double Wall Corrugated Pipe Water Gas HDPE PP Pipe Making Machinery Extruding Extrusion Machine, Plastic UPVC PVC WPC Window and Door Sills Profile Extruder Machine Line Top Customized, Versatile PE Tube & PPR Fitting Single Screw Extruder for Building Systems and so on.