... , carbon steel, spring steel, aluminum, brass. 2) Product weight from 0.03kg to 300kg. 3) Applied software for specification drawings: Pro ... , UG, CAD/CAM/CAE. 4) Precision machine: normal punch press 5-300 tons, turret punch press, (laser) cutting machine, hydraulic bending machine ... cabinet, instrument parts, auto parts, electric equipment parts, construction hardware. industrial drawers