Sales of Class II medical devices; Research and development of biochemical products; Internet sales (except for the sale of goods requiring a license); Retail of cosmetics; Wholesale of cosmetics; Sale of sanitary and disposable medical supplies; Sales of daily necessities; Sales of daily chemical products; Technical services, technology development, technology consulting, technology exchange, technology transfer, technology promotion; Domestic trade agents; Trade brokers; First class medical device sales; General merchandise sales; Import and export of goods; Import and export of technology;