... :2050mm 4,Used for laser cutting,non-metal materials,etc "80w laser tube" specification: We produce sealed CO2 laser tube 20W, 30W, ... 35W, 40W, 60W, 65W, 80W, 100W, 120W, ... 130W,150W with excellent quality. Nantong Bil Laser DevicesCo.,LTD is specialized researcher in ...