Henan Tongxin Transmission Co., Ltd. was established in 2001. It is a joint-stock specialized manufacturer of various types of automobile transmission shafts. The company has 34 national technical patents, and has the exclusive domestic hollow axle fork technology. The development of products to light weight is in line with the direction of energy saving of the whole vehicle. The company's main production equipment has more than 160 sets, with five main processing workshops for metal cutting, heat treatment, assembly, and painting. It is equipped with more advanced CNC machining centers at home and abroad, automatic heat treatment processing equipment and automatic paint spraying production lines. After 20 years of accumulation and development, the company can now produce more than 30 series of micro, light, medium, heavy, special automobile drive shafts, passenger car drive shafts and engineering machinery drive shafts, with more than 2,800 kinds, and has entered The supporting production system of CRRC, Zoomlion, Shaanxi Commercial Vehicle, Yutong Bus, Yutong Heavy Industry, Zhongtong Bus, and other manufacturers has been established, and it has also signed agreements with foreign outstanding car companies such as Russia's Kamaz and South Korea's Hyundai Heavy Industries. There is a long-term cooperation agreement, and the share of export products has successively accounted for more than 40% of the company's sales. The company will focus on quality and integrity on the basis of taking the best of the world for me, and work hand in hand with all partners to create greater glories.