Huijin plastic machinery factory is famous China Screw barrels manufacturers and single screw barrel suppliers,you can find wholesale single screw barrel for sale Screw and Barrel For Plastic Machine Zhoushan Dinghai Huijin plastic machinery factory is professional Screw and Barrel For Plastic Machine manufacturers who produce all kinds of high precision Screw and Barrel For Plastic Machine,the enterprises, products such as Products are widely used in domestic and foreign brands of injection molding machine, extrusion machine, film blowing machine, drawing machine, recycling machine ,other plastic molding machine. To meet our customers higher demands on the products, Huijin screw innovation, excellence, Huijin products with high precision, strong wear resistance, corrosion resistance and other advantages, and for customers to solve all kinds of plastic products, and plastic molding and other production problems.Barrel screw compression ratio designed according to different products and different formulations. EXTRUDER RUBBER SCREW01 Pinned barrel and screw for cold-feed extruder machine 20mm-220mm L/D : 12~18 Screw and barrel for cold-feed extruder 45mm-300mm L/D : 8~20 Screw and barrel for hot-feed extruder 45mm~250mm L/D : 4~6