Sichuan Zhongyou Machinery Co.,Ltd. belong the larger-scale of private enterprise. It’s reorganized and changed ownership by original Yaan Gear Factory. Its located in the south end of the Cheng-Ya highway â€?the scenic beautiful Yaan city. There are 120 Km from Chengdu to Ya’an.

　　We are world-famous by our process of precision forging. Our precision forging gear technology has ripened at the last century 1970s, and received the state Science and Technology harvest Award honor. After then, we developed the warm forging, swing forging, and cold-forging technology successfully. In the early days of 1980s, the computer technology had applied in our products designing, manufacturing, and quality control process. We are one of the 50 successful enterprises of Sichuan province. By application of bring forth new ideas in technology and advanced achievements in scientific research, the production scale is enlarged rapidly and the products quality is improved continually. Our factory has the capability of manufacturing 9 million gears and precision forgings annually. There are more than 100 kinds of differential gears, connecting gear for transfer case, etc.

　　Our precision-forging differential gears with Tonggong brand has received many honors certificated by Ministry and province, such as Gold Cup Award, High Quality Product in Sichuan, Free-check Product of Sichuan and Nameplate Product of Sichuan, etc. We have occupied 30% of internal market.

　　We are standing by the based on heartiness, on the principle of mutually beneficial, with the purpose of both-profit. We are willing to cooperate with friends of all circles, sharing the benefits and creating brilliant achievements together!