... you all kinds of gears(spur gear, bevel gear, sprial gear, internal gear, sprocket, chain wheel) transmission, reducer ,shaft and sleeve ... , drilling machine, hobbing machine, grinder, gear shaper, testing center.10) OEM service: based on your specific sample or ... precision on teeth of gear.11) Competitive price & prime quality & best service & timely shipments12) Accept trial order Gear Wheel OEM