... long life, under the knife precision. 2> The CNC Stone Engraving Machine seamless welded steel structure, rigid Haobu deformation, table back ... lining plate, the rigid strength, and machine loading capacity can be 3>constant power spindle motor, ... other CAD / CAM design software 5>two-way tool cooling system, effectively raising tool life Scope: Granite, marble, Qingshi, sandstone, ...