September 16-19, 2009 YinChuan
April 16-19, 2008 Changcha		September 20-23, 2006 Qindao		October 12-16, 2005 Zhengzhou
October 14-16, 2004 Chongqing		October 21-23, 2002 Taiwan		October 15-17, 2001 Hong Kong