GK is one of large-scale quartz glass ultraviolet lamp uv tube manufacturers and suppliers in China. We have been specialized in lighting for many years. Our quartz glass ultraviolet lamp uv tube is with 10s warning buzzer sound before lighting on 60s restart-up automatically after switch off by sensor. Our UVC lights have a good price advantage and cover most of the European and American markets. We look forward to becoming your long-term partner in China.