... iron cast ,moving working table ,square linear CNC Engraver Machine for Jadestone,CE Authorized Products, this is the newest model ... ,servo system system are optionalApplication field:special for jade plaques engraving,also for Sign board process, mould, bronzing ,badge, ... approximately 12000mm / minRotation speed of spindleapproximately 24000 RPMEngraving tools 3. 175 4 6 (optional)Format dictates G- ...