... 4.Hiwin linear square guideway 5.DSP offline Stone CNC Engraving Machine ZK-9015 Application1.Suitable for natural marble, granite, ... 4.Constant spindle motor power, strong cutting strength, high efficiency.5.High precision rack transmission, fast speed.6. Imported linear square ... guide way, double row four row slider, high precision, long life time.7.Well selected electrical accessory, let ...