Extrusion Line, Plastic Machinery, Single Screw Extruder manufacturer / supplier in China, offering Plastic HDPE Welding Extruder Portable Welder (HJ-30B), 3lpe 3PE Anti-Corrosion Steel Pipe Coating Line for Oil, Gas, and Water Transmission Projects, Polyethylene Electro Fusion Weldable Pipe Joint/Sleeve/Fitting for Jointing/Connection of PE Structural Wall Pipe/Wastewater Pipe and so on.