... specializes in rotor ,spur gear, helical gear,slewing ring gear, bevel gear,motor gear, sprocket,forging gear, casting gear, etc.(verious ... .4-18mm.Max OD can be up to 2m. 3.Quality:finest material and process.Hardened and durable,good connection 4 ... and many other countries.Wormly welcome to visit our factory. High quality Rotor , gear