The business scope includes licensed projects: Various engineering construction activities; Import and export agent. (Projects that need to be approved according to law can only be operated after being approved by relevant departments, and the specific business items shall be subject to the approval documents or licenses of relevant departments) General items: Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Office services; Computer and office equipment maintenance; Software development; Sales of household appliances; Retail of household appliances; Sales of electronic products; Wholesale of computer software, hardware and auxiliary equipment; Retail of computer software, hardware and auxiliary equipment; Software sales; Stationery retail; Wholesale of stationery; Retail of sports goods and equipment; Wholesale of sports goods and equipment; Sales of machinery and equipment; General merchandise sales; Sales of communication equipment; Sales of communication equipment; Retail of arts and crafts and collections (excluding ivory and its products): Wholesale of hardware products; Retail of hardware products; Sales of building materials; Sales of metal materials; Sales of Class I medical devices; Security equipment sales; Graphic design and production; Information system integration service; Technology import and export; Import and export of goods. (Except for projects that need to be approved according to law, business activities shall be carried out independently according to law with the business license)