Zhejiang Dongbin Rubber and Plastic Screw Co., Ltd. specializes in the manufacture of "Dongxiang" brand rubber extruder cold feed pin barrels and screws; hot feed pin barrels and screws; plastic extruders and plastic injection molding machine barrels, Screw products. The annual production capacity reaches more than 1,500 sets.

The company has advanced processing and manufacturing technology and strong technical strength. It has more than ten years of rich experience in processing rubber and plastic mechanical barrels and screws. It is a domestic designated processing and manufacturing enterprise for the production of rubber pin cold feed extruder barrels and screws. The company has participated in international expos many times to provide barrels and screw parts for large rubber enterprises at home and abroad. The company's barrel and screw materials are all made of 38CrMoAIA alloy steel produced by Baosteel, and are refined through processing processes such as tempering, molding, qualitative, fine grinding, surface nitriding or spraying bimetallic, and polishing. The product has the characteristics of high precision, wear and corrosion resistance.

The company has advanced technical equipment and has high-precision special equipment for barrel screw processing such as deep hole drilling and boring machine, boring machining center, etc. Not only can it be processed and manufactured in samples, but it can also be designed, surveyed and mapped according to the customer's special requirements. At the same time, it undertakes the processing and manufacturing business of worn imported or domestic rubber barrels and screws of rubber rods by the product manufacturer, and adopts bimetal repair work for old screws. The service life reaches 3-5 times the life of ordinary nitride screws.