... water cooling spindle 4.For marble, granite... CNC Stone Engraving Machine 1300*2500*300M ZK-1325 Application1.Suitable ... for natural marble, granite, bluestone, sandstone, artifical stone, tombstone, milestone, ceramic tile, jade, crystal, ceramics, glass, ... colored drawing, flat carving colored drawing, etc on stone,glass, depth can control optionally, to reach the artistic ...