General business items are: Wholesale of computer hardware and software and auxiliary equipment; Retail of computer hardware and software and auxiliary equipment; Computer system services; Rental of computer and communication equipment; Internet equipment sales; Sales of electronic products; Cloud computing equipment sales; Network sales of equipment; Software development; Service, technology development, technical consultation, technical exchange, technology transfer and technology promotion; Cloud computing technology services; Internet data service; Data processing and storage support services; Equipment leasing; Computer and office equipment maintenance; General equipment repair. (except for the items that need to be approved according to law, independently carry out business activities according to law with the business license), the permitted business items are: Internet equipment manufacturing; Equipment manufacturing; Cloud computing equipment manufacturing; Equipment manufacturing; Manufacturing of computer hardware and software and peripheral equipment; Technology import and export; Import and export of goods. (For projects that must be approved according to law, business activities can be carried out only after approval by relevant departments. The specific business projects shall be subject to the approval documents or permits of relevant departments. )