... can offer you all kinds of gears(spur gear, bevel gear, sprial gear, internal gear, sprocket, chain wheel) transmission, reducer ,shaft ... -spindle drives, roller feeds etc.2) Adopts optimal design and shot treatment to decrease noise and increase load ... annealing, normalizing, carbonitriding, carburizing, tempering6) Precision shot peen gear faces and roots to increase load capacity7) Standard: ISO, ...