Extrusion Line, Pipe Making Machine manufacturer / supplier in China, offering 600-700kg HDPE/PPR Pipe High Speed Single Screw Extruder Machine, High Strength 2 Layers 3 Layers 4 Layers PPR Plastic Water Pipe 40mm 50mm 63mm Tube Single Screw Co-Extrusion Production Line, Twin Screw Extruder Exhaust Force Feeding Extrusion Machine Sjsz65/132 80/156 Model in Stock and so on.