... gear for mechanical machineFirst, export machinery and fittings, annual output 2 million dollars.Second, our country's metallurgical ... CNC lathe, milling machine, 3 meters gantry planer, grinding machine, etc. and there are gear-processingequipments for rolling, inserting, ... feature product and there are spiral-milling machine, lapping machine, and inspection machine, etc.5. The heat treatment is ...