... 4,Used for laser cutting,non-metal materials,etc 70w tube laser specification: We produce sealed CO2 laser tube 20W, ... 30W, 35W, 40W, 60W, 65W, 80W, 100W, 120W, 130W,150W,200w with excellent quality. Nantong Bil Laser ... used for Industrial Cutting, Laser Engraving, Laser industrial processing, Quencher, Cutting & Engraving on Leather, Laser Medical Machine, Infrared detecting ...