Extrusion Line, Plastic Machinery, Single Screw Extruder manufacturer / supplier in China, offering HDPE Jacket Pipe Extrusion Line for PU Foam Pre-Insulated Pipe Outer Casing Production, High Quality Handheld Electric Fusion Welder for Plastic Hot Melt Pipe Welding, Portable HDPE PE Pipe Plastic Electrofusion Welding Machine Plumbing Tool and so on.