Zhejiang Dongbin Rubber Machine screw Co. Ltd is one of the ten screw corporation in Zhou Shan. We are specializing in producing screw and barrel for both pin-type cold-feed and hot-feed extruder. In the past 15 years, our company has risen to become one of most professional feed rubber screw and barrel producer in China with the most advanced technology. Now, we occupy nearly 70% market share of feed rubber screw and barrel in China. The production capacity is over 1500 sets per year. It has been entitled"advanced private enterprise in Zhou Shan" many times.