Xu Ma

Beijing Hang Feng Ke Wei Equipment Technology Co., Ltd. engages in the research and development, manufacture, and sale of aviation support equipment. Its products include engine metal dust sensors, liquid level sensors, and magnetic plug sensors machine, airborne solenoid valve, airborne filter and airborne oil filter. The company was founded by Ke Deng on July 19, 2007 and is headquartered in Beijing, China.

Qingdao Haohai Network Technology Joint Stock Co. Ltd. engages in the provision of information system integration service. Its products and services include research and development of satellite remote sensing detection system, UAV detection equipment, long-distance dual-band intelligent detection integrated machine, forest fire robots, intelligent voice bayonet, smartphones based on Beidou positioning, "Five-in-one air, space and ground" early warning monitoring system and equipment; research and development, and production based on 3D GIS emergency command system; as well as research and development, and production of forest fire prevention, emergency management, public safety, underground pipe corridors, smart parks, and smart IoT perception systems. The company was founded on July 20, 2000 and is headquartered in Qingdao, China.