Screw and Barrel, Bimetallic Screw Barrel, Wear Resistant Screw Barrel manufacturer / supplier in China, offering Ningbo Jinyi Hot Selling 38crmoaia Nitrided Screw Barrel for Injection Machine, Single Nitrided Bimetallic Screw Barrel for Injection Machine, Plastic Extrusion Screw and Barrels for PVC PE Pipe and so on.
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