... iron cast ,moving working table ,square linear CNC Engraver Machine for Jadestone,CE Authorized Products, this is the newest model , ... device ,servo system system are optionalApplication field:special for jade plaques engraving,also for Sign board process, mould, bronzing ,badge, pattern ... G-codetransmission Two-nut rolling ball screws from Germany for x,y,z axis square linear guide wayResolution 0. ...