Prof. Dujin Wang, Prof. Chenyang Liu and collaborators from Yanshan Petro-Chemical Company, together with several colleagues from ICCAS joined in the syposium. Prof. Ying Zhao, Prof. Xia Dong, and Guoming Liu introduced the recent progresses in our group. People from Yanshan expressed their expectation of our cooperation in several fields meeting the needs of industry. After four hours' talk, agreements have been made that the tight cooperation will be continued and more corresponding research work will be carried out soon.