... face to face, the long time use precision is high. Hard Materials(stone, marble, granite etc) CNC Engraver Configuration: 1. ... .U flash disk DSP control system, Wentai software, type3 software Hard Materials(stone, marble, granite etc) CNC Engraver Technical Parameters:1 ... Applied area: The machine mainly used in the engraving of hard materials such as solid wood, marble, granite, glass, stone ...