General project: Trade brokerage; Import and export agency; Sales of agricultural and sideline products; Internet sales of food (only pre packaged food); Sales of daily necessities; Sales of household appliances; Sales of rubber products; Sales of plastic products; Sales of mechanical equipment; Sales of metal products; Sales of office equipment; Domestic trade agency; Sales of daily necessities; Import and export of goods; Retail of computer software, hardware, and auxiliary equipment; Retail of hardware products; Sales of food additives; Sales of mechanical and electrical equipment; Electronic product sales; Rental services (excluding licensed rental services); Wholesale of edible agricultural products; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of health food (pre packaged); Purchase of Chinese herbal medicine; Sales of building materials; Sales of lightweight building materials (except for licensed businesses, can independently operate projects that are not prohibited or restricted by laws and regulations)