Reci upgrades and brings CO2 glass laser tube to 3.0 generation. Through the last ten years of development, the CO2 glass laser tube now develops to the third generation. The third generation of laser tube cancels the adjusting screws at both tube ends. Instead, the metal parts are made by high-precise CNC machine. New firing technology is used to join metal parts and glass parts together directly. This new technology makes the high stability in W series laser tubes.
