On May 25, Professor Sun Laixiang, Director of Finance and Management Department of the school of Oriental and African Studies, University of London, Chair Professor of Chinese Business and Management, part-time Professor of Institute of Geography, Chinese Academy of Sciences, the International Institute for Applied Systems Analysis (IIASA), and Peking University Guanghua School of Management, paid a visit to ECUST at the invitation of the Environment Energy Management Institute of the Business School, ECUST. Professor Sun made a lecture entitled “Spatial Economics and Econometrics - An Analysis on Integrated technology diffusion, Factor Mobility, Structural Evolution of Cross-Regional Economic Growth: with the Example of China”.