General business items are: Technical service, technology development, technology consulting, technology exchange, technology transfer, technology promotion; Sales of electronic products; General merchandise sales; Sales of household appliances; Wholesale of kitchenware and household goods; Sales of household goods; Gas, liquid separation and purification equipment sales; Sales of electronic components and electromechanical components; Professional cleaning, cleaning, disinfection services; Sales of solar thermal utilization products; Solar thermal power generation products sales; Domestic trade agency; Internet sales (except sales of goods that require a license); Personal Internet live streaming service. (In addition to the items subject to approval according to law, independently carry out business activities according to law with the business license), the permitted business projects are: Household goods manufacturing; Manufacture of gas and liquid separation and purification equipment; 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)