Technical services, technical development, technical consulting, technical exchange, technology transfer, and technology promotion; Intelligent unmanned aerial vehicle manufacturing; Intelligent unmanned aerial vehicle sales; Aviation transportation equipment sales; Mechanical parts and components processing; Intelligent robot research and development; Non-road leisure vehicles and parts manufacturing; Software development; Internet of Things application services; Internet of Things technical services; Internet of Things technology research and development; Industrial internet data services; Artificial intelligence application software development; Class I medical device production; Class I medical device sales; Class I medical equipment leasing; Class II medical equipment leasing; Class II medical device sales; Chemical product sales (excluding licensed chemical products); Experimental analytical instrument manufacturing; Experimental analytical instrument sales; Technology import and export; Import and export agency; Domestic trade agency; Cosmetics wholesale; Health food (pre-packaged) sales; Catering management. Licensed projects: Civil aircraft parts design and production; Flight training; Civil aircraft pilot training; General aviation services; Road motor vehicle production; Class II medical device production; Class III medical device production; Class III medical equipment leasing; Class III medical device operation; Cosmetics production.