... gilding,electroform,metal color, metal plating,electrophoresis, polishing,Aluminum color Multi-functional High speed electronic engraving machine is one of used specific ... outside design 01 3 10638.4, patent of invention 01105380.1 etc, via of testing report from National product quality & ... gold machine: It can be embossed one plating layer of 0-1.5mm on the surface of metal, which forming on surface ...