... all noble metals plating industries. 4. Work as one of electrotyping machine: It can be electroformed of nickel, copper, iron, chromium, ... gold cards, plate picture etc.7. Work as one of plating machine: It can be plated for all materials on decorated plating ... fits for jewel industries. 12. Work as one of electronic polishing machine: It can use one specific liquid, which process electrolyse with work ...