Extrusion Line, Plastic Machinery, Single Screw Extruder manufacturer / supplier in China, offering PE Electrofusion Sleeve/Ef Open Joint for HDPE Structural Wall Spiral Pipe Connecting, Polyurethane Spraying Prefabricated Insulated Steel Pipe Automatic Production Line, HDPE Spiders, Rings for Pre-Insulated Pipes, HDPE Spacer and so on.
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