Changsha Xinglian Electric Power AutomationTechnology 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.