... trough 3.water proof 4.dust proof Suitable price high speed stone carving machine 1325 Main features of stone carving machine: 1. Linear rails on X, ... Suitable for big size hard materials such as marble, granite, artificial stone, tombstone, ceramic tiles, glass, etc, can be engraved by such machine ... etc. This machine can be also used to work on wood, advertising materials.Parameter of stone cnc router ...