General items: Technical services, technical development, technical consultation, technical exchange, technology transfer, technology promotion; Engineering and technology research and experimental development; Software development; Wholesale of computer hardware, software, and auxiliary equipment; Data processing and storage support services; Information technology consulting services; Conference and exhibition services; Advertising publishing; Advertising production; Advertising design and agency; Professional design services; Domestic trade agency; Film production services; Literary and artistic creation; Organization of cultural and artistic exchange activities; Other cultural and artistic brokerage and agency; Business management; Cultural and entertainment agent services; Domestic goods transportation agency; Sale of daily miscellaneous goods; Wholesale of daily necessities; Retail of daily necessities; Internet sales (except for goods that require approval); Internet equipment sales; Internet security services; Industrial internet data services; Internet data services. (Except for projects that require approval according to law, business activities can be carried out independently in accordance with the business license)