With the increase of domestic tractor horsepower, the requirements for the transmission shaft are getting higher and higher, so we have developed a large horsepower, large torque, large transmission Angle. Although the same cross section model is used, we first enlarge the outer tube and shaft, enhance torque and increase strength. The second is to use custom accessories, small to pins, large to the outer pipe and shaft. We choose customized technology and high-end accessories, which are more accurate and better than ordinary products. It sells out very well in China.