CNC copper engraving machine 1.Work area:23.6X23.6 inch 2.step motor 3.2.2KW water cooling ... machine can engrave letters and relief designs. JD-6060 high quality 23.6X23.6 inch CNC metal engraving machine Performance:Matches with the German ... engraving, dials.l Mould industry: architecture, Gilt membrane, electric machinery, High frequency mold, moulding on shoes, badge, embossed mould, biscuit, ...