... life of the machine QL-1218 wood router CNC engraverProduct Features:German ball screw nutsImported guideLinear guide ... dust-proof system, and this CNC Advertising Engraver ensures the good performance of the machineThe Advertising CNC Engraver 1200*1800 continues to work ... type 3,artcarm,castmate,proe,corelerowWide Range of Use: Advertising, mould, stone, architecture model Technical DataX Y Working ...