Selling electronic products, Selling home appliances, Technical Services, Technical Consulting, Technology Promotion, Food sales, Drinking water supply services, Operating duty-free shops, Talent agency services, Economic and trade consulting, Packaging services( No dangerous goods packaging), Translation services, Etiquette Services, Enterprise Management Consulting, Import and export of goods or technology( Except for the import and export of goods and technologies that are prohibited by the state or involve administrative approval), Sales of chemical products and wholesale of other chemical products( Except for hazardous chemicals)