Laser engraving machine: bamboo slips, wood, paper,jade, fabric,lether,shell, and the devil beans, signs, badge, in areas Laser ... depends on the different material supply and customer cutting quality requirement. 18) Ventilation System External exhaust to the ... , 4" in diameter.19) Net weight: 70kg20) Machine Dimension: 980x680x280mm21) Packing Dimemsion: 1150x880x480mm22) Packing: Polywood boxSample ...