Permitted Items: Food sales. (For projects requiring approval by law, business activities may only be carried out after approval by relevant departments. Specific business items are subject to the approval documents or licenses issued by relevant departments. ) General Items: Wholesale of edible agricultural products; Retail of edible agricultural products; Retail of cosmetics; Wholesale of cosmetics; Sales of metal materials; Sales of metal products; Sales of chemical products (excluding licensed chemical products); Sales of cement products; Sales of mechanical and electrical equipment; Wholesale of computer hardware and software and auxiliary equipment; Retail of computer hardware and software and auxiliary equipment; Advertising production; Advertising design and agency; Sales of electronic products; Sales of daily necessities; Sales of arts and crafts and etiquette items (excluding ivory and its products); Sales of building materials; Sales of Class I medical devices; Sales of Class II medical devices; Sales of adult sex toys (excluding pharmaceuticals and medical devices); Information consulting services (excluding licensed information consulting services); Business management consulting; Sales of special equipment; Leasing of computer and communication equipment; Leasing services (excluding licensed leasing services); Sales of metal ores; Engineering and technological research and experimental development; Timber processing. (Except for projects requiring approval by law, business activities may be carried out independently in accordance with the law based on the business license. )