General items: Import and export of goods; Import and export of technology; Import and export agency; Sales of Class II medical devices; Automobile sales; Sales of machinery and equipment; Sales of electronic components and electromechanical device equipment; Wholesale of auto parts; Wholesale of motorcycles and parts, sales of refrigeration and air conditioning equipment; Sales of special equipment for environmental protection; Sales of office equipment; Sales of electronic products; Sales of electrical equipment; Wood sales; Furniture sales; Sales of arts, crafts, and ceremonial items (excluding ivory and its products); Sales of metal structures; Sales of rubber products; Wholesale of hardware products; Sales of chemical products (excluding licensed chemicals); Sales of building decoration materials; Sales of plastic products; Sales of communication equipment; Sales of office supplies; Sales of daily necessities; Sales of textiles; Sales of stationery; Wholesale of sports goods and equipment; Wholesale of computer software, hardware, and auxiliary equipment; Sales of audio equipment; Operation of wires and cables; Sales of leather products; Sales of cosmetics; Wholesale of clothing and accessories; Wholesale of shoes and hats; Second-hand car brokerage; Sales of new energy vehicles.