... There is over 280 machine processing equipment, like CNC lathe, milling machine, 3 meters gantry planer, grinding machine, etc. and ... our feature product and there are spiral-milling machine, lapping machine, and inspection machine, etc.5. The heat treatment is self ... perfect, and wins national computation band 3 certificate Our factory based on the “quality first, prestige paramount”Wholeheartedly ...