Category III medical device business; alcohol business. General projects: supply chain management services; import and export of goods; technology import and export; offshore trade operations; trade brokerage; Internet sales (except for sales of goods requiring licenses); information consulting services (excluding licensed information consulting services); domestic cargo transportation agency; chemical product sales (excluding licensed products) Chemical products); Wholesale of edible agricultural products; Sales of rubber products; Sales of plastic products; Sales of automobiles; Wholesale of automobile parts; Wholesale of motorcycles and spare parts; Sales of machinery and equipment; Wholesale of hardware products; Sales of daily necessities; Sales of building materials; Sales of knitted textiles and raw materials; Wholesale of clothing and apparel; Wholesale of shoes and hats; sales of leather products; wholesale of cosmetics; wholesale of arts and crafts and collectibles (except ivory and its products); wholesale of jewelry; wholesale of computer software, hardware and auxiliary equipment; sales of electronic products; sales of communication equipment; sales of household appliances; sales of metal materials; sales of metal products; Sales of Class I medical devices; sales of Class II medical devices; sales of labor protection products; wholesale of kitchenware, sanitary ware, and daily necessities; business management consulting; market entity registration agency; brand management; conference and exhibition services; food sales (only sales of prepackaged food); non-residential real estate leasing.