Screw Barrel, Twin Conical Screw and Barrel, Twin Parallel Screw and Barrel manufacturer / supplier in China, offering Volcan 60mm Screw and Barrel for PVC Pellets Profiles Extrusion, Supply Extrusion Screw and Barrel for Pipe Film Rod, 65-38 Bimetallic Screw for PP Recycling Extrusion and so on.
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