Dr. CHEN Dingjiang received his B.S. and Ph.D. (Chem. Eng.) at Tsinghua University in 1998 and 2003. He works at Center for Industrial Ecology, Dept. of Chem. Eng., Tsinghua University since Oct. 2003 and was promoted as an Associate Professor in 2009. He focuses on the consulting and research in the fields of industrial ecology and circular economy. His current research directions include: (1)Material flow analysis,resource efficiency and policy applications; (2)Green,circular and low-carbon development strategies for process industries.