... steel, spring steel, aluminum, brass.2)Material thickness from 0.1mm to 8mm3) Applied software for specification drawings: Pro/E, ... welding machine, milling machine,polishing machine and assembly line.5) Surface finish: zinc/nickel/chrome plating, hot galvanized, ... , dichromate plating.6) Detailed products range: radiator parts, metal cabinet, instrument parts, auto parts, electric equipment parts, ...