prof. liu chuang
professor of institute of geography and natural resources, chinese academy of sciences and director of world resources research, beijing normal university

chair of executive committee for un caid e-sddc

prof. du huanzheng
deputy director, the nonferrous metals society of china (nfsoc)
president and director of yangtze river delta research institute of circular economy
deputy director, zhejiang association for circular economy

prof. xu shengming
associate professor, institute of nuclear and new energy technology tsinghua university
director, chinese materials research society (c-mrs)
member of metallurgical physical-chemistry technical committee
editor of chinese rare earths published by the chinese society of rare earths