Since 2004, Professor Wei Wu has been a postdoctoral co-tutor, recruiting and guiding postdoctoral researchers. As a senior visiting scholar, he has conducted long-term study and cooperative research or academic visits in 1992, 1998, 200 1, 2002, 2004 and 2005 in Lubeck University of Applied Science, Nuremberg University, Technical University of Berlin and National Institute of Materials Testing.