Hunan Yuansheng electronic co., ltd. was founded in 2014, with a registered capital of 2 million, is a new, professional aviation obstacle lamp r & d and manufacturing company in changsha, hunan province.Our products include  aviation obstruction lights(single light, double light, medium light, control box),Marine navigation lights and helipad lights .The company takes "the good faith as this" as the core value, hoped through our product adds a luster for the altitude, provides the better guarantee for everybody's safety.