My name is Jinqiang Li. Now I am a study student in Hokkaido University. Next April(2010) I will be a first year Ph.D student (Graduate School of Engineering, Division of Human Mechanical Systems and Design, Research Group of Micromechanical Systems). I got my Master degree in General Mechanics and Mechanics Foundations from Harbin Institute of Technology. I know that most of you are very learned man in mechanics, I hope I can enrich my faculty and knowledge from your wisdom and insights.