... steel, carbon steel, spring steel, aluminum, brass sheet metal product,electric box,metal cabinet1Material: stainless steel, carbon steel, spring steel ... 2001, CAXA, UG, CAD/CAM/CAE.4) Precision machine: normal punch press 5-300 tons, turret ... plating.6) Detailed products range: radiator parts, metal cabinet, instrument parts, auto parts, electric equipment parts, construction hardware. sheet metal