Shanghai Ruizhan Industry Development Co. Ltd was established in 2003 as a private joint-stock enterprise. We are specialized in transmission shaft driving axle spiral bevel gears with an annual production capacity of 300,000 sets. Our production is facilitated with cold/ heat treatment equipment and finish machining tools from American Gleason Yigong. With a registered capital of RMB 35.8 million, we have developed an over 15,000-square-meter production workshop. We also own a product testing laboratory, including the physical and chemical laboratory, the metallographic measuring room and the noise measuring room. Our operation is compliant with ISO/TS16949, British NOA and ISO 9001 :2000 certification, so please rest assured that your orders are in reliable hands. We are enjoying great geographical advantages with the location of 22 kilometers to Shanghai International Shipping