Xiaolang Chen，Ph.D.，Assoc.Prof. He received his Ph.D.degree in material science from the State Key Laboratory of Polymer Materials Engineering,Sichuan University in 2007. From 2007 to now, he worked for Southwest Jiaotong University. He worked as a research fellow for University of Massachusetts, Amherst, America from 2010 to 2011. He also worked as a guest professor for Akita Prefectural University from 2008 to 2009.