Dai Hegen, senior economist, 1987 joined the work. He is currently the Party Secretary and Chairman of China Chemical Engineering Group Co., Ltd. and the Party Secretary and Chairman of China Chemical Engineering Co., Ltd., and has served as the Deputy General Manager, Deputy Secretary of the Party Committee and General Manager of China Railway Fourth Engineering Group Corporation since 200 1. Member of the Standing Committee of the Party Committee of China Railway Engineering Corporation and Vice President of China Railway Corporation; Party Secretary of China Railway Engineering Corporation and President of China Railway Corporation; Party Secretary and General Manager of China Railway Materials (Group) Corporation, Party Secretary and Chairman of China Railway Materials Co., Ltd.; Party Secretary and Vice Chairman of Xinhua International Group Co., Ltd. [3]