cnc marble router-XT-M1325 with 1)water cooling spindle 2)square rail 3)DSP control system cnc marble router-XT-M1325 Cast iron T ... TYPE lathe bed, Rack Gear transmission, DSP/PCI Control system, Round/Square rail with ... engraving, line engraving, cutting, edge inversing, drilling on natural marble, granite, artificial stone, tombstone, milestone, ceramic tiles, ...