Zhejiang Dong Bin Rubber Machine Screw Co. Ltd is one of ten screw corporations in Zhou Shan. The company specially made "DongXiang" cylinder and screw of a rubber pin-type cold-feed extruder, cylinder and screw of hot-feed machine, plastics extruder, and cylinder and screw of plastic injection machine. The company capacity was over 1500 sets every year. It was entitled "advance private enterprise in Zhou Shan" many times.

The company has advanced manufacture-craft, powerful technology force, and over ten years experiences for manufacturing of cylinder and screw of rubber machinery. The company is the pointing manufacture enterprise that products the cylinder and screw of rubber pin-type cold-feed extruder at home, which is the advance in the field of cylinder and screw. The products were exhibited in international exposition, and supplied cylinder and screw for large-scale rubber enterprises all over the world. The material of cylinder and screw is from the alloy steel 38 CrMoAIA in the Fifth Steel and Iron Plant of Shanghai, and products are made by hardening, tempering, forming, correct grinding, surface nitriding or spraying double metals and polishing. So, the produces are high precisive, wearable, corrosive-resistant. The company has advanced, high precisive technology equipments, such as: deep hole miller, grinding processing center, etc. The company not only makes products as samples supplied, but designs, makes mapping and build, or repairs worn screws by spraying double metals which can increase its useful life three to five times than normal nitriding ones.

Our company sticks to the principle all along: centering customer, faithfulness. We view the product quality as ours life. The company has set up the project of quality system and established a perfect quality assurance system. Besides, we have a large group of quality inspectors and advanced testing equipment. Our products targets conform with these standards: JB/Y8538-1997, and the corporation passed the International Quality System Certification ISO9001 successfully in 2003.

"Offering finer product quality and better service to our customers" is our tenel. We welcomes you to our company warmly.