Screw Barrel, Twin Screw Barrel, Extrusion Screw Barrel manufacturer / supplier in China, offering Single Screw Barrel Extruder Screw Barrel for Single Screw Extruder Plastic Machines Extrusion Machines with Maddock Pineapple Saxton Mixer in 1.8550 1.8519, Bimetallic Stellite 6 Blank Liner Semi-Finished and Finished Barrel, Top Quality Screw Barrel for Single-Screw Extruders and Twin-Screw Extruders for General Purpose or High-Wearing High-Corrosion Application and so on.