ZheJiang GuanTong Bearing Co.,xxxxx is the large enterprise that specializes in R&D and manufacturing auto parts since 1987. The company locates in HangZhou city, the famous city with long history and rich culture in Zhejiang province of China. A combination of streamlined production process and comprehensive quality control system has resulted in our high quality products. Our main products include universal joint, differential spider, knuckle king pin, spring pin and so on. Our products are now exported to the growing world market and enjoy great reputation both abroad and home. We have passed ISO-9001:2000 International Quality Control System Authentication. With the powerful and experienced R&D team supported by the latest technology and advanced equipment such as all kinds of punch, friction press, inner-outer grinding lathe, NC lathe, heat-treatment mesh-belt furnace, special transformer, electric discharge machine, we have developed many products that respond to the ever changing market requirements and make us hold the leading place in the same industry. "To survive with quality, to develop with honesty and credit" is our unchanging principle. Sincerely welcome the friends worldwide cooperate and develop together!