Electronic product sales; Wholesale of electronic components; Retail of electronic components; Sales of rubber products; Wholesale of hardware products; Retail of hardware products; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Domestic trade agency; Manufacturing of electronic components and electromechanical equipment; Integrated circuit design; Integrated circuit sales; Integrated circuit manufacturing. Manufacturing of electronic components; Manufacturing of electronic specialized materials; Internet equipment manufacturing. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law) Import and export of goods; Technology import and export. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments. )