... machine ,for mobile,tyre,car signs,scoop 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 metal with deeper engraving, higher resolution. It is widely used on mobile mould ,wheel hud,tableware , ...