Extrusion Line, Plastic Machinery, Single Screw Extruder manufacturer / supplier in China, offering Plastic Welding Machine PE / PP / PVC / PPR Portable Hand Extruder Welder, PE Electro Fusion Girth Welding Joint Sleeve / Tape for Hollow Wall Spiral Pipe, Steel Pipe Coating Line for 3lpe 3lpp 2lpp Fbe Vus Insulation Anticorrosion and so on.