... etc on steel,brass,iron,steel Metal mould engraved by metal engraving machine ,metal mould cnc router MT-CNC300 suit for 3D ... engraving on metal .MORN metal mould engraving machine can engrave hard steel, iron,copper etc hard ... deeper engraving, higher resolution. It is widely used on mobile mould ,wheel hud,tableware ,lampshade etc industry.