Wind power technical services; wholesale of auto parts and accessories; retail of auto parts and accessories; import and export of goods; technology import and export; manufacturing of auto parts and accessories; automobile sales; sales of machinery and equipment; sales of lubricants; sales of petroleum products (excluding hazardous chemicals); sales of electronic products; sales of communication equipment; sales of office equipment; sales of office supplies; sales of instruments and meters; sales of paper products; sales of labor protection supplies; sales of plastic products; wholesale of clothing and apparel; retail of clothing and apparel; wholesale of shoes and hats; retail of shoes and hats; fasteners Sales; sales of building materials; sales of lightweight building materials; sales of wires and cables; sales of building decoration materials; sales of copying and offset printing equipment; sales of rubber products; sales of needle textiles; sales of needle textiles and raw materials; sales of food (only sales of prepackaged food); sales of health food (prepackaged); sales of first-class medical devices; sales of second-class medical devices; wholesale of hardware products; retail of hardware products; sales of daily necessities; wholesale of cosmetics; retail of cosmetics; professional cleaning, cleaning, and disinfection services; sales of disinfectants Sales (excluding hazardous chemicals); technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; social and economic consulting services; information consulting services (excluding licensed information consulting services); corporate management consulting; marketing planning; conference and exhibition services; general cargo warehousing services (excluding hazardous chemicals and other items requiring license approval); daily product repair; communication equipment repair; computer and office equipment repair; advertising production; graphic design; advertising design, agency; loading and unloading ; Business agency services; Supply chain management services; Sales of metal products; Sales of metal materials; R&D of auto parts; R&D of mechanical equipment; General parts manufacturing; General equipment repair; Motor vehicle repair and maintenance; Sales of new energy vehicles; Wholesale of medical masks; Retail of medical masks; Retail of kitchen utensils and daily necessities; Domestic trade agency; Sales of household appliances; Sales of tires; Wholesale of refined oil (excluding hazardous chemicals); Sales of electric bicycles; Wholesale of motorcycles and spare parts; Sales of daily necessities. Licensed items: Operation of Class III medical devices; construction labor subcontracting; road cargo transportation (excluding dangerous goods).