... double driver in Y axis 3.good quality CNC Machinery for Marble/Granite JCUT-1212JCUT-1212C Jade CNC EngraverSpecifications ... ,marble, granite, white marble, sandstone,such as a stone sculpture processing, category carved glass-cutting and engraving melting material ... ,marble,granite,white marble,sandstone,such as a stone sculpture proccessing,category carved glass-cutting and engraving melting ...