... cnc router 2. 5.5kw water-cooled spindle 3.500mm rotary axis 4.Hiwin linear square guideway 5.DSP offline Stone CNC ... Engraving Machine ZK-9015 Application1.Suitable for natural marble, granite, bluestone, ... sandstone, artifical stone, tombstone, milestone, ceramic tile, jade, crystal, ceramics, glass, plastic, wood, ...