General business items are: Artificial intelligence hardware sales; Communication equipment manufacturing; Communication equipment sales; Sales of electronic products; Electronic components wholesale; Electronic components retail; Computer hardware, software and peripheral equipment manufacturing; Wholesale of computer hardware, software and auxiliary equipment; Computer and communication equipment rental; Computer and office equipment maintenance; Technical service, technology development, technology consultation, technology exchange, technology transfer, technology dissemination; Retail of computer hardware, software and auxiliary equipment; Domestic trade agent. (Except for the items subject to approval according to law, independently carry out business activities according to law with the business license), the permitted business items are: Import and export of goods; Technology import and export. (For projects subject to approval according to law, business activities can only be carried out after approval by relevant departments, and specific business projects shall be subject to approval documents or license certificates of relevant departments)