General business items are: Sales of electronic components and electromechanical components and equipment; Sales of mechanical and electrical equipment; Sales of power electronic components; Lighting appliance sales; Sales of display devices; Sales of electronic products; Wholesale of hardware products; Retail of hardware products; Retail of electronic components; Wholesale of electronic components; Sales of knitwear and textiles; Sales of special electronic equipment; Technical services, technical development, technical consultation, technical exchange, technology transfer and technology promotion; General mechanical equipment installation services; Sales of plastic products; Sales of chemical products (excluding licensed chemical products); Sales of building materials; Sales of building decoration materials; Domestic trade agency; Business information consulting (excluding investment consulting); Enterprise management consulting. (except for the items that must be approved according to law, the business activities shall be carried out independently according to law with the business license). The licensed business items are: 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 with the approval of relevant departments. The specific business projects shall be subject to the approval documents or licenses of relevant departments)