... 4.OEM supplied cnc stone engraving machine Features:1. Integrally cast lathe bed, firm and non-deforming, high rigidity and high accuracy, adopts ... Taiwan line guide rail.2. Use high speed drive motor,also servo motors for optional 3. Memory function ensures the ... and drilling on material such as natural marble, granite, artificial stone, tombstone, milestone, ceramic tile, glass and so onparts ...