... lustered and shiny, and feel smooth. 2). Plating --- We can plate the metal products with gold, silver, nickel, rhodium, brass, copper, ... antique gold, antique silver, antique brass, antique copper, etc. ... process is also called "polished enamel". 4). Soft enamel with clear epoxy. 5). Soft enamel without epoxy. 6). Spray ...