Hunan Chendong Technology Co.,LTD (shorted as CDT)is a professional manufacturer for Green navigational aids products, mainly for aviation obstruction lights, helipad lighting and meteorological target lamp in China . CDT got ISO 9001:2008 certification the first year when established. As pioneer in China, our products are approved by ICAO and CAAC certificate. 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.