Extrusion Line, Plastic Machinery, Single Screw Extruder manufacturer / supplier in China, offering 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, Heat Shrink Sleeve Radiation Cross-Linked Polyethylene Hollow Wall Winding Tube and so on.