Changsha Xinglian Electric Power Automation Technology Co.,Ltd was established in 2006,located in Changsha, Hunan ,China. Specializing in the manufacture and exporting of electronic ballast / high efficiency HPS lamps/ MH lamps and urban lighting intelligent control system. Our annual production capacity is above one million pieces. And we have passed ISO9001, CE, ROHS, CQC certification. Also we own the international patent of electronic ballast. � Our electronic ballast have a full range of serious (70W/110W/150W/250W/400W/600W/1000W) which cover the application of commercial lighting /road lighting / plant lighting / greenhouse lighting/ grow lighting/ stadium lighting /tunnel lighting /industrial lighting and other environmental protection area. They are popular in the green lighting projects rely on its super working parameters: significant energy saving/long working life and less harmonic pollution. Saving energy, Light the world!