... ,Large supplying capacity 3,reasonable price Specifications: 1) Suitable for various light vehicle transmissions 2) Adopts optimal design and shot treatment ... 1.5~34) Processing: precision hot and cold forging, precision machining and roll forming5) Heat treatment: annealing, normalizing, carbonitriding,carburizing, tempering6 ... !!! tractor gear for kinds of machines ,can produce according to drawing