... machining, chemical machining. Applicable industries: Toy factory, decorative sheet metal, toy electric etching foil, model etching foil, ... , and meshes. Applicable materials: Stainless steel sheet, copper sheet, aluminum foil, ferronickel alloy, iron sheet, ,Nickel silver ,titanium alloy, etc. ... as stainless steel, copper, aluminum, zinc and iron sheet by etching, half-etching ,BOTH SIDES and pattern ...