Extrusion Line, Plastic Machinery, Single Screw Extruder manufacturer / supplier in China, offering High Quality Handheld Electric Fusion Welder for Plastic Hot Melt Pipe Welding, 3lpe Fusion Bonded Epoxy Coated PE Winding Elbow Steel Pipe Coating Equipment, Three-Layer PE Spraying Equipment Steel Pipe Anti-Corrosion Production Line and so on.