... Metal marking machine, gilding machine, electroforming machine, metal scutcheon machine, metal color machine, Plating machine, copper(steel)print machine, electrophoresis machine, Electric brush machine, embossed gold machine, polishing machine. This ... of electrotyping machine: It can be electroformed of nickel, copper, iron, chromium, tin, zinc, 24k gold, pure silver, etc. with a strong power ...