Tractor half axis series Selects 40Cr, 40Mn2, 40MnB, 35CrMo, 42CrMo And so on, The many kinds of high quality steel products cast on the finalproduct remarkably comprehensive machine capability. Heat treatment craft advanced, examination method complete, qualitystable reliable, continuously several years country qualitysurveillance examines 100% to be qualified. The product widespread application in the agriculture with thethree-wheeled automobile, the light card the heavy card, the machineshop truck, harvests vehicle type and so on machinery. 4Year productivity 2 million.