General trade: import and export of goods; Non-ferrous metal alloy sales; Communication equipment sales; Class II medical device sales; stationery sales; Optical communication equipment sales; electronic product sales; beneficiation (except rare earths, radioactive minerals, tungsten); sales of labor protection supplies; sales of special labor protection equipment; Domestic trade agency; Internet sales (except for the sale of goods that require a license); sales of textile, clothing and household goods; sales of auto parts; tram sales; hardware product sales; sales of off-highway recreational vehicles and spare parts; Wholesale of hardware products; Wire and cable management; supply chain management services; sales of agricultural machinery; sales of professional machinery for agriculture, forestry, animal husbandry, sideline and fishery; Wood and bamboo processing machinery sales; Gear and gear reduction, gearbox sales; metal tool sales; tire sales; sales of fishing machinery; sales of animal husbandry machinery; Class I medical equipment sales; sales of hygiene products and single-use medical supplies; Medical masks wholesale; nursing facility services (excluding medical services); timber sales; Installation and maintenance of professional machinery for agriculture, forestry, animal husbandry and sideline fisheries; sales of special instruments and meters for agriculture, forestry, animal husbandry and sideline fisheries; sales of agricultural and sideline products; sales of building materials; sales of forestry and wood and bamboo harvesting machinery; pulp sales; sales of non-metals and products; food sales (sales of pre-packaged food only); food additive sales; sales of special equipment for agricultural and sideline food processing; daily department store sales; wholesale of daily necessities; Photovoltaic equipment and components sales; solar power generation technical services; luggage sales; sales of car decoration supplies; sales of mechanical parts and parts; Trade brokerage; technology import and export; Import and export agent; Conference and exhibition services; economic and trade consulting; food import and export; sales of chemical products (excluding licensed chemical products); machinery and equipment sales; Sales of accessories for agriculture, forestry, animal husbandry and by-fishery machinery (except for projects that must be approved according to law, independently carry out business activities according to law with business license)