... energy-saving 74%5.Used for long time, theoretical design lifespan more than 50,000 hoursDongguan JingLiang Lighting Electronics Co ... products has been accumulated in the drive power, optical design, thermal design, structural design. High quality and good service, we have been ... : 86-0769-8751 6133URL: http://www.jldgled.comAddress: Building 54,YEEON industry park, YanTian, FengGang, DongGuan, China