... 3.High precsion JC-1318 Marble Stone CNC Engraving Machine/CNC Router for StoneApplicable materials :1.Suitable for natural marble, granite, bluestone, sandstone, artifical stone ... , sphere, stainless steel, iron, copper, aluminium, titanium alloy, can doing 3D embossment, and line engraving, bevelling, drilling 2D engraving.2.Such ...