... machine: It can be plated gold, platinum, rhodium on various metals, for plating gold (24k gold, 18 k gold, and imitated gold), it not only for ... can be electroformed of nickel, copper, iron, chromium, tin, zinc, 24k gold, pure silver, etc. with a strong power, high speed, lower ... of metal, which forming on surface with 24 k gold, 18k gold, or imitated gold. It fits for jewel industries. 12. Work as ...