Professor Liang Hou went to the United States to visit.

From Octorber to November,2012, Professor Liang Hou visited to the United States and participated in ASME 2012 International Mechanical Engineering Congress & Exposition – Congress hosted in Houston on November 9-16.At the conference, Professor Liang Hou made a presentation titled “Using Fuzzy AHP and D-S Theory for Evaluating the State of Product Family”. In the United States, Professor Liang Hou also visited to University of Cincinnati, Florida Atlantic University and other schools and research institutions.