stone engraving CNC router 1.size:1200*2400mm 2.spindle power: 3.0KW, Stepper ... . Controller: DSP 4.square orbit, USB Port stone engraving CNC router Samples Typical application :This series of models mainly used for ... cooling spindle,4. Taiwan made inverters, fully shielded, uneasy distorted cable,5. U flash disk DSP control system, well compatibility. Compatible ...