... -2008 FACTORY Photo Etching is also called metal etching, chemical etching, chemical milling, photo etching, chemical etching, photochemical machining, ... Toy factory, decorative sheet metal, toy electric etching foil, model etching foil, appliance, electronic factory, juicer filter, ... such as stainless steel, copper, aluminum, zinc and iron sheet by etching, half-etching ,BOTH SIDES and pattern ...