CDT (Hunan Chendong Technology Co., Ltd)is a professional manufacturer for Green navigational aids products, mainly for aviation obstruction light, helipad lighting and meteorological target lamp. CDT got ISO 9001:2008 certification in the first year when it was established. As pioneer in China, our products are approved by ICAO and CAAC. CDT keeps acting as a solution provider for customers with speciality for Hi-tech company and factory, Strict QA and QC process and Strong technical support.