Stone/glass/Marble CNC Engraving Machine with Auto Tool Changer 5.5kw water cooling spindle with ATC; Japan Yaskawa Servo moto Hot Sale! High Quality! Factory Price! Stone/glass/Marble CNC Engraving Machine with Auto Tool Changer Application Materials :Artificial stone, Marble, Granite, Ceramic Tile, Tombstone, milestone, Terrazzo, Limestone, Sandstone, Travertine, Quartzite, Slate, grindstone , ...