... engraving, 3D engraving, line engraving, cutting, edge inversing, drilling onArtificial stone, Marble, Granite, Ceramic Tile, Tombstone, milestone, Terrazzo, Limestone, ... dust-proof and water-proof design. Technical Specifications of Stone CNC Machine (CNC Engraver):DescriptionParametersModelJCS1224RX,Y,Z working ... The certification and the shiping: Engraving machine for stone columns for sale