Hunan Chendong Technology Co.,LTD （shorted as CDT）is a professional manufacturer for Green navigational aids products, mainly for aviation obstruction lights, helipad lightings and low visibility operation (LVO) light in China . CDT got ISO 9001:2008 certification the first year when established. As pioneer in China, our products comply with FAA, ICAO and CAAC standard, and got approved by ICAO and CAAC certificate. Enterprises like ZTE Corporation keep good cooperation with us due to reliable quality and thoughtful services. In 2017, CDT won the honor to supply aviation obstruction light systems to the world first 1,100kv DC line. CDT keep acting as a solution provider for customers with specialty. And our products have been exported over 50 countries and areas all over the world.