... 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, ... handwriting, ancient calligraphy, abrazine colored drawing, flat carving colored drawing, etc on stone,glass, depth can control optionally, to ...