Extrusion Line, Plastic Machinery, Single Screw Extruder manufacturer / supplier in China, offering Spiral HDPE Pipe Manufacturing Line Large Diameter Pipe Extruder Structured Wall Sewer Pipe Line, Rubber Product Making Machinery/ Insulation Tube/Plate Production Line, Spiral Winding Pipe Machine for HDPE Krah Pipe Structured Wall Drainage Pipe Extruder Line and so on.