... 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 DevicesCo.,LTD is specialized researcher in laser field, we are now professional ... and we are ISO9001 approved. We can provide CO2 laser tube with the output from 5 Watt to 200 Watt at competitive ...