The registration address of chengdu sea and air wing aviation technology ltd. Is located at no. 499 on the north side of chengdu strait, in the city's winjiang district, and is the market supervision authority for the cheng wanjiang region. The legal entity is represented by liu mei ling. It operates in the areas of aerospace, space science and technology research services; research and development, production and sale of teaching equipment; model design, production and sale; development, production, sale and technical advice of aviation engines and parts, gas turbines and spare parts, bearings, mechanical and electrical equipment, mechanical equipment, technology transfer; outdoor advertising design, production; conference and exhibition services; computer software development; and import and export of goods and technology. (projects subject to legal approval are not allowed to operate without the approval of the relevant authorities)。