metal clamp 1) Material: stainless steel, carbon steel, spring steel, ... Work 2001, CAXA, UG, CAD/CAM/CAE.4) Precision machine: normal punch press 5-300 tons, turret punch press, ... (laser) cutting machine, hydraulic bending machine, hydraulic shearer, welding machine, and test facility.5) Surface finish: ... auto parts, electric equipment parts, construction hardware. metal clamp