... metal stamping 1.Material:low carbon steel, stainless steel, aluminum 2.Surface treatement: Zinc, powder painting,galvaniz Item name:Metal ... , aluminum, zinc, brass, plastic etc.Making process:Stamping, deep drawing, bending, punching, laser cutting, threading ... components IndustryAircondition industryFile formats:Pro/Engineer, Solid Works, Unigraphics, Auto CAD, (IGS, STP, STL and X-T) metal stamping ...