... 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, ... Constant spindle motor power, strong cutting strength, high efficiency.5.High precision rack transmission, fast speed.6. Imported linear ...