Extrusion Line, Plastic Machinery, Single Screw Extruder manufacturer / supplier in China, offering HDPE Hollow Spiral Pipe Extrusion Machine Structured Wall Pipe Equipment Krah Pipe Line, Fully Automatic Chipless Plastic Tube Cutter for Insulated PE Jacketing Pipes, Automatic Planetary Pipe Cutting Machine for Pre-Insulated Plastic PE Jacket Pipe and so on.