LCD display, PCB ramp main board, USB port Cooling machine, ... machine spare parts,Laser cutting machine RPLC-5A/B,9A/B,12A/B for sale RP Laser cutting machine use ... purpose through quantity purchasing. Laser cutting machine type "B" is designed to have two more directions to feed ... stepping motor and driving system imported from Germany. B. LCD display, PCB ramp main board, USB port. C. Cooling ...