Now customers are buying laser engraving machineYou care about most when parts are laser tube, because it is a light source of laser engraving machine and laser engraving machine is the most core components, commonly known as the domestic laser tube full name should be: glass sealing type CO2 laser, because it is packaged glass tube so called the laser tube.Working principle: high pressure discharge of wavelength is 10.6 um that inspired high concentrations of co2 gas laser. Now commonly used laser tube power with 40 25 w w 60 w, 80 w is suitable for carving 80 w, 100 w, 150 w to 180 w is suitable for cutting