Extrusion Line, Plastic Machinery, Single Screw Extruder manufacturer / supplier in China, offering Continuous Spraying Polyester Polyethylene Thermal Winding, Anti-Corrosion Heat Shrinkable Tubing for HDPE Corrugated Pipeline Joints, Polyurethane Foam PUR Spray Foaming PE Wrap Pre-Insulated Steel Pipe Production Line and so on.