... cold forging, precision machining and extrusion pressingTeeth profile process: CNC lathe, hobbing, shaping, shaving, grinding, gear honingHeat treatment: carburizing, normalizing, annealing, temperingExample ... -treatment owen (Germany)4. Reishauer NZA gear grinding machine (Switzerland)5. Taizhong precision high speed machining center (Taiwan) Our company:Our company ...