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On June 20th, the 2019 World Drone Congress and the 4th Shenzhen International Drone Exhibition opened in Shenzhen. More than 1,000 UAVs from more than 400 Chinese and foreign drone companies were unveiled at the exhibition. Guilin Feiyu Technology Co., Ltd. (hereinafter referred to as Feiyu Technology) displayed a variety of new products such as tilting rotor-type vertical take-off and landing drones and mooring drones.