Food production; food sales; poultry breeding; feed production; feed additive production; second category value-added telecommunications business; grain processed food production; tobacco product retail; catering services. General items: food sales (only sales of prepackaged food); health food (prepackaged) sales; food Internet sales (only sales of prepackaged food); plastic product manufacturing; plastic product sales; primary processing of edible agricultural products; wholesale of fresh fruits; retail of fresh fruits; wholesale of fresh vegetables; retail of fresh vegetables; retail of fresh meat; wholesale of fresh meat; retail of fresh eggs; wholesale of fresh eggs; sales of agricultural and sideline products; wholesale of hardware products; retail of hardware products; sales of daily necessities; crop cultivation services; finance Business consulting; housing leasing; marketing planning; advertising design, agency; advertising production; advertising release; conference and exhibition services; hotel management; loading and unloading; general cargo warehousing services (excluding hazardous chemicals and other items requiring license approval); feed additive sales; feed raw material sales; biological feed research and development; technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; daily household appliances retail; household appliance sales; clothing and apparel wholesale; clothing and apparel retail; Wholesale of aquatic products; retail of aquatic products; sales of household products; sales of paper products; retail of electronic components; sales of daily necessities; sales of arts and crafts and ceremonial items (except ivory and its products); sales of electronic products; sales of recreational supplies and indoor amusement equipment; sales of knitted textiles; sales of office supplies; sales of bags; retail of shoes and hats; retail of auto parts and accessories; sales of automotive decorative items; sales of smart vehicle equipment; sales of personal hygiene products; sales of second-class medical equipment; sanitary products and disposables Sales of medical supplies for sexual use; sales of infant formula milk powder and other infant formula foods; production, sales, processing, transportation, storage and other related services of agricultural products; wholesale of edible agricultural products; sales of livestock (excluding dogs); sales of mechanical and electrical equipment; sales of communication equipment; sales of toys; sales of leather products; retail of cosmetics; retail of stationery supplies; retail of sporting goods and equipment; sales of first-class medical equipment; sales of daily sundries; sales of hairdressing accessories; sales of daily chemical products.