... 2001, CAXA, UG, CAD/CAM/CAE.3. Precision machine:normal punch press 5-300 tons, turret punch press, ... (laser) cutting machine, hydraulic bending machine, hydraulic shearer, welding machine, and test facility.4. Surface finish: ... zinc/nickel/chrome plating, hot galvanized, painting, dichromate plating,copper wiredrawing. Iron Door Hinge ...