Pharmaceutical production; pharmaceutical wholesale; food production; second-category medical device production; disinfectant production (excluding hazardous chemicals); tourism business; tea product production; health food production; beverage production; special medical formula food production; basic telecommunications business; first-category value-added telecommunications business; second-category value-added telecommunications business; Internet information services; real estate development and operation; construction projects; commercial performances; road cargo transportation (excluding dangerous goods). General items: import and export of goods; import and export of technology; sales of formula foods for special medical purposes; engineering and technology research and experimental development; production of Class I medical devices; sales of Class I medical devices; sales of Class II medical devices; purchase of primary agricultural products; primary processing of edible agricultural products; wholesale of edible agricultural products; sales of needlework and textiles; sales of daily necessities; sales of machinery and equipment; sales of mechanical and electrical equipment; sales of communication equipment; electronic products Sales of products; sales of instruments and meters; wholesale of auto parts and accessories; wholesale of motorcycles and spare parts; wholesale of hardware products; sales of lighting appliances; sales of household appliances; wholesale of computer software, hardware and auxiliary equipment; wholesale of clothing and apparel; wholesale of shoes and hats; sales of industrial textile products; wholesale of kitchenware, sanitary ware and daily necessities; wholesale of cosmetics; sales of sanitary products and disposable medical supplies; sales of furniture; sales of toys, animation and entertainment supplies Wholesale of stationery; Wholesale of sporting goods and equipment; Wholesale of jewelry; Wholesale of arts and crafts and collectibles (except ivory and its products); Software development; Computer system services; Information system integration services; Internet sales (except for the sale of goods requiring licenses); Travel agency service outlets, tourism solicitation and consulting services; Medical research and experimental development; Health care services (non-medical); Food sales (only sales of prepackaged food) ); leisure and sightseeing activities; conference and exhibition services; non-residential real estate leasing; housing leasing; cell technology research and development and application; tourism development project planning consultation; health food (pre-packaged) sales; real estate Chinese herbal medicine (excluding Chinese herbal medicine pieces) purchase and sale; Chinese herbal medicine acquisition; general cargo warehousing services (excluding dangerous chemicals and other items requiring license approval); road cargo transportation station operation; loading and unloading; tire sales; lubricant sales.