Screw Barrel, Screw and Barrel, Extruder Screw Barrel manufacturer / supplier in China, offering High-Performance Single Bimetallic Extruder Screw and Barrel for Extrusion Line Well, High-Performance Single Bimetallic Extruder Screw and Barrel for Extrusion Line Show, Customer Ordered Standard Screw and Barrel for Manufacturing Injection Molding Machinery and so on.