The general business items are: electronic product sales; Wholesale of electronic components; Retail of electronic components; sales of power electronic components; Domestic trade agent; technology intermediary services; Information consulting services (excluding licensing information consulting services); Information Technology Consulting Services; business management consulting; Internet of Things technical services; Network technical services; Technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion. (Except for projects that must be approved according to law, independently carry out business activities according to law on the basis of business license), and the permitted business projects are: 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 the specific business projects shall be subject to the approval documents or permits of relevant departments)