Extrusion Line, Plastic Machinery, Single Screw Extruder manufacturer / supplier in China, offering SA2.5 External Abrator Shot Blasting Machine for Steel Pipes (114mm - 1219mm), PU Foam Insulation Pipe Production Line for Heating and Oil Pipelines with Continuous PE Jacket Extrusion, One-Step PU Insulated Pipe Making Machine with High Output and Full Automation and so on.