... to drawing or samples. metal stamping parts in materials stainless steel, carbon steel, alloy steel, galvalum steel etc ... . stamping machine, hydranic punching machine, bending machine, TIG welding,MIG welding, CNC cutter etc. finish treatment: power coating, Hot ... material, starting with common steels, spring steel, brass, aluminum, stainless steel, copper, tinplate, galvanized, electro-zinc, HRP&O, ...