PE/PVC Corrugated Pipe Production Line, High Speed Mixer, Extruder manufacturer / supplier in China, offering 20mm~63mm Diameter High Pressure PVC Plastic Pipe Conical Twin Screw Extruder Plastic Machine, Factory Price Sj Series Single Screw Extruder for Single Wall Corrugated Tube Production Line, Oil Heating Laboratory Rubber Two Roll Mixing Mill and so on.
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