... 4.easy operation The main application industries: for marble, tile, metal, granite, wooden fish stone, bluestone, jade, crystal, tombstone, agate, ceramics ... several times more accurate!!!The main performance characteristics with the German double nuts automatic anti-backlash ball screws. High power spindle ... -6mmControl SystemWeihong or DSP DirectiveHPGL.G code,u00,mmg,plt metal engraving machine