Beijing, July 2 (Youth.cn) - Photo taken on July 1st in Lianyungang Economic and Technological Development Zone in Jiangsu Province. Staffs of Jiangsu Digital Eagle Intelligent Technology Co., LTD were assembling drones. These years, by making fully use of the high performance carbon fiber production base and the the infrared probe production base, Lianyungang Economic and Technological Development Zone pays continuous efforts to cultivate new motivation and new advantages for drone industry chain both in upstream and downstream to accelerate low altitude economy. Until now, over 400 drone-related patents made by companies in this zone were approved. Productions in the zone has been sold to over 100 countries and regions. Interactions between upstream and downstream of the industry has initially formed. Photo/VCG