The general business projects are: Network technology services; Software development; Information technology consulting services; Technical services, development, consultation, exchange, transfer, and promotion; Integrated circuit design; Integrated circuit sales; Sales of mechanical equipment; Research and development of mechanical equipment; Wholesale of hardware products; Retail of hardware products; Sales of building materials; Wire and cable management; Wholesale of computer software, hardware, and auxiliary equipment; Retail of computer software, hardware, and auxiliary equipment; Sales of communication equipment; Sales of instruments and meters; Wholesale of electronic components; Retail of electronic components; Domestic trade agency; Sales of electronic office equipment; Office equipment sales; Sales of building decoration materials; Sales of Machine element and spare parts; Sales of power electronic components; Sales of electronic products; Sales of daily necessities; Sales of daily necessities; Sales of cameras and equipment. (Except for projects that require approval in accordance with the law, business activities shall be carried out independently based on the business license in accordance with the law), the licensed business projects are: Technology import and export; Import and export agency. (For projects that require approval according to law, business activities can only be carried out with the approval of relevant departments. The specific business projects shall be subject to the approval documents or permits of relevant departments. )