... worm shaft according to drawing and samples Supplying all kinds of medium and small modulus gears and parts such as gears, worm gears, worm ... including spur gears, helical gear, straight bevel gears, spiral bevel gears, worm gears, worm, splined shaft, force drivers and gears ... a variety of major gear testing equipment, such as Gleason bevel gear inspection instrument, mahr gear measuring center, ZEISS ...