Other unlisted technology promotion and application services; Technology intermediary service; Medical research and experimental development; Retail of class I medical devices; Category II retail of medical devices; Wholesale of class I medical devices; Wholesale of class II medical devices; Wholesale of other mechanical equipment and electronic products; Trade agency; Other trade brokers and agents; Operate the import and export of various commodities and technologies (do not attach the catalogue of import and export commodities separately), except for the commodities and technologies that the state restricts the company to operate or prohibits the import and export; Other unlisted wholesale businesses (excluding business items requiring approval); Other unlisted retail businesses (excluding projects requiring approval); Internet sales; Retail of other electronic products; Wholesale of hardware products; Wholesale of electrical equipment; Software development; Information system integration service; Information technology consulting services; Data processing and storage services; Integrated circuit design; Other unlisted information technology services (excluding projects requiring approval); Social and economic consultation; Manufacturing of household beauty and health appliances; Manufacture of household air conditioners.