Food import and export; Wholesale of clothing and clothing; Sales of metal materials; Wholesale of hardware products; Retail of hardware products; Sales of building materials; Sales of electronic products; Office equipment sales; Wholesale of daily necessities; Wholesale of stationery supplies; Furniture sales; Wholesale of automotive parts; Sales of animal husbandry and fishery feed; Sales of feed raw materials; Food sales (only pre packaged food is sold); Food internet sales (only pre packaged food is sold); Wholesale of edible agricultural products; Retail of edible agricultural products; Wholesale of fresh meat; Wholesale of aquatic products; Retail of aquatic products; Livestock sales; Sales of agricultural and sideline products; Internet sales (excluding sales of goods that require licensing); Production, sales, processing, transportation, storage, and other related services of agricultural products; Domestic trade agency; Trade brokerage; Sales of mechanical equipment; Information technology consulting Service; ; Import and export of goods; Technology import and export;