... Co.,Ltd is one of the leading China co2 laser tube manufacturers and suppliers,Website:http://www.mglasermachine.com, equipped with ... the parts are made from GG17 material, composed of discharge tube, water-cooled jacket, gas storage cover and muffler. Sealed ... layer dielectric film on the surface;3.Electrode: CO2 laser tube generally is use cold cathode, cylindrical, cathode materials have ...