... kinds of gears, worm gears3, Standard and non-standard4, Material C45, 40Cr. 42CrMo. GG25,GGG40,GGG45, S.S 304 ... spur gear, bevel gear, sprial gear, internal gear, sprocket, chain wheel) transmission, reducer ,shaft and sleeve etc. They are ... transmissions, auto parts, construction equipment, machine tools, conveyors, material handling, multi-spindle drives, roller feeds etc.2) Adopts optimal ...