Internet sales (except for the sale of goods that require a license); Trade brokerage; Domestic trade agency; Supply chain management services; Software development; Sales of metal chains and other metal products; General cargo warehousing services (excluding hazardous chemicals and other items subject to license approval); Software and services related to blockchain technology; Cooling services; Supply of instruments and meters sales; Sales of chemical products (excluding licensed chemical products); Conference and exhibition services; Technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; Engineering and technical services (except planning management, survey, design, and supervision); Wholesale of fresh fruits; Fresh fruit retail; Wholesale of fresh vegetables; Retail of fresh vegetables; Advertising (non-radio stations, television stations, newspaper publishers); Advertising design, agency; Graphic design; Sales of agricultural and sideline products; Wholesale of aquatic products; Aquatic product retail; Heat production and supply; Import and export of goods; Technology import and export