... .Hiwin linear square guideway 5.DSP offline Stone CNC Engraving Machine ZK-9015 Application1.Suitable for natural marble ... on stone,glass, depth can control optionally, to reach the artistic effect .Machine features1.High temperature tempering treatment, high rigidity, ... etc.4.Constant spindle motor power, strong cutting strength, high efficiency.5.High precision rack transmission, fast speed.6. ...