... steel, carbon steel, spring steel, aluminum, brass sheet metal product,electric box,metal cabinet1Material: stainless steel, carbon steel, spring steel, ... 3) Applied software for specification drawings: Pro/E, Auto CAD, Solid Work 2001, CAXA, UG, CAD/ ... .6) Detailed products range: radiator parts, metal cabinet, instrument parts, auto parts, electric equipment parts, construction hardware. sheet metal