Extrusion Line, Plastic Machinery, Single Screw Extruder manufacturer / supplier in China, offering 3PE Anti Corrrosive Pipe Machinery Plant with Shot Blasting and Rust Removal, Air Conditioner NBR&PVC A/C Insulation Rubber Foam Pipe/Sheet Production Line, Efficient Polyurethane Spray Insulated Pipe Line with PE Coating for Thermal Protection and so on.