The business scope includes licensed projects: Hazardous chemical operations; Wholesale of crude oil; Wholesale of finished oil products (limited to hazardous chemicals); Technology import and export; Import and export of goods; Import and export agency (projects that require approval by law and can only carry out business activities after approval by relevant departments) General projects: Wholesale of refined oil products (excluding hazardous chemicals); Sales of petroleum products (excluding hazardous chemicals); Sales of chemical products (excluding licensed chemical products); Sales of coal and its products; Sales of metal materials; Wholesale of hardware products; Retail of hardware products; Sales of plastic products; Sales of rubber products; Sales of mechanical equipment; Sales of building materials; Sales of instruments and meters; Battery sales; Sales of Class I medical devices; Car Rental; Loading and unloading handling; Parking lot services; Environmental consulting services; Sales of engineering plastics and synthetic resins; Sales of agricultural and sideline products; Sales of office equipment; Fertilizer sales; Wholesale of clothing and apparel; Sales of daily necessities; Wholesale of sports goods and equipment; Domestic trade agency; Rental services for transportation equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Paint sales (excluding hazardous chemicals) (except for licensed businesses, can independently operate projects that are not prohibited or restricted by laws and regulations) (general business projects can be operated independently, licensed business projects can be operated with relevant licenses or approval documents)