CNC Stone Carving Machine 1. Separate double head 2.For stone, granite, marble, tile, wood, mdf, pvc, and etc Double Head CNC Stone Carving Machine ... being processed.3. it is possible to start any one of the heads only.4. multi-functional model, which can process ... stone, marble, granite such kind of hard materials, meanwhile can cut and engrave wood, acrylic, pvc ...