Civil aircraft (engines, propellers) production; Civil aircraft parts design and production; Road motor vehicle manufacturing; Flight training; Civil aircraft pilot training; General aviation services; Surveying and mapping services. General items: Communication equipment sales; Electronic product sales; Security equipment sales; Intelligent unmanned aerial vehicle manufacturing; Intelligent unmanned aerial vehicle sales; Computer software and hardware and auxiliary equipment retail; Software development; Integrated circuit chip design and services; Integrated circuit chip and product sales; Integrated circuit chip and product manufacturing; New metal functional material sales; Artificial intelligence hardware sales; Intelligent robot sales; Ship sales; Industrial robot sales; Non-road leisure vehicle and parts sales; Non-road leisure vehicle and parts manufacturing; Domestic trade agency; Goods import and export; Technology import and export; Import and export agency; Information system integration services; Fire equipment sales; Artificial intelligence application software development; Artificial intelligence public service platform technical consulting services; Agricultural machinery services; Agricultural machinery manufacturing; Agricultural machinery sales.