During Aug 19th–21th, 2015, the 7th International Symposium on Engineering Plastics (EP 2015) was held in Xining, Qinghai. All the staff and several students attended the symposium. Associate Prof. Guoming Liu and Ying Zhao were announced as one of the nominees of “Xinde Feng Polymer Prize”. The related paper is “Structural Evolution of β – iPP during Uniaxial Stretching Studied by in–situ WAXS and SAXS” (Polymer, 2014, 55, 6915-6923). Prof. Xia Dong present an invited talk entitled “Structure origin of multistage transformation behavior in multiphase shape memory polymers”. The other attendees presented their works in poster session.