... high quality cnc stone router wtih two spindles 1.double spindles high working efficiency 2. Japan servo motor and drive high quality cnc stone ... engraving, 3D engraving, line engraving, cutting, edge inversing, drilling onArtificial stone, Marble, Granite, Ceramic Tile, ... stone, granite, etc.Furthermore ,it has four water cycling system, two of them for cooling spindle, other two for cooling tools ...