... offer you all kinds of gears (spur gear, bevel gear, spiral gear, internal gear, sprocket, chain wheel) transmission, reducer ... , normalizing, carbonitriding, carburizing, tempering6) Precision shot peen gear faces and roots to increase load capacity7) Standard: ISO ... CNC engine lathe, milling machine, drilling machine, hobbing machine, grinder, gear shaper, testing center.10) OEM service: based ...