... of medium and small modulus gears and parts such as gears, worm gears, worm, splined shaft and so on.The gears series ... gears, spiral bevel gears, worm gears, worm, splined shaft, force drivers and gears parts for all kinds of lawn mower, gears for ... casting. According to the requirements of drawing precision machining the parts by Hobbing, shaving, lapping, grinding and milling. The precision of ...