Medical research and experimental development; provision of technical services, technical development, technical consulting, technical exchange, technical transfer and technical promotion; sales of special chemical products (excluding hazardous chemicals); sales of bio-based materials; sales of synthetic materials; sales of chemical products (excluding licensed chemical products); retail of cosmetics; wholesale of cosmetics; sales of daily necessities; sales of electronic special materials; research and development of electronic special materials; sales of metal materials.(Unless otherwise required by law to obtain approval, independently conduct business activities not prohibited or restricted by laws and regulations.)