... 2. print trademarks, product names, specifications, trade names, security issues TX-D990 Metal electrial marking machineProductsThe deviceis the application ofthe principlein ... stainless steel, carbon steel, various alloy steel.Tool steel, carbide, copper alloy, a variety of chrome, nickel, zincmaterial, a variety of ... logothat is printed out. Metal electric marking machine for steel/copper/aluminum