Laser Machine, Laser Marking Machine, Laser Engraving Machine manufacturer / supplier in China, offering Long-Lasting CO2 Laser Tube for Laser Engraving and Cutting Machine 1390, CO2 Laser Tube 40W 50W 60W 80W 100W 130W 150W 260W 350W Laser Tube, 130W High-Performance Hy Laser Power Supply and so on.