Mr. Seven Liu is committed to tracking global chemical management, and has in-depth research on GHS classification and SDS and labeling, and has produced SDS and labels for hundreds of domestic and foreign enterprises. In response to the needs of enterprises' hazardous chemical compliance management, he has conducted systematic training for many enterprises on the interpretation of China's hazardous chemical catalog, GHS classification, SDS and labeling, dangerous goods transportation, import/export supervision and China's hazardous chemical registration. He has rich practical experience in the registration of hazardous chemicals in China and has obtained the registration certificate of hazardous chemicals for dozens of enterprises.