Bimetal specializes in manufacturing series of screws, rubber melting cylinder products. Products are widely used in the 30-40000 grams injection molding machine, the 15-250mm single screw extruder, and the 30-130mm conical and parallel twin-screw extruder and all kinds of rubber machine, weaving machine, puffed food machine. All of the products are made of quality 38CrMoALA steel.