Sales of chemical products (excluding chemical products requiring permits); Sales of food additives; Sales of feed additives; Technical services, technical development, technical consultation, technical exchange, technology transfer, technology promotion; Food operation (sales of pre-packaged food only). (Except as otherwise required by laws and regulations, the company operates independently and lawfully based on the business license.) License Projects: Import and export of goods; Import and export of technology. (As otherwise required by laws and regulations, the operation shall be conducted in accordance with the approval of the administrative authority; the specific business projects shall be subject to the approved documents and permits issued by the administrative authority.)