On the morning of December 8, Professors from Comprehensive Polytechnic University of Paris, HALPHEN Bernard(director of the Institute of Mechanics in French national research center), Serge CHANCHOLE (deputy director) visited the state key laboratory, accompanied by Professor Xu Weiya (the executive vice president of the Graduate School of Hohai University). WangWen, associate professor in the laboratory, introduced to French guests the construction of the lab and showed them laboratory experiment platform.