May 2013
Chi, Liang
December 2012
Duraisamy, Poomathi
Ma, Tao
May 2012
Uher, Jason
May 2011
Luo, Haiyan
Ma, Shichuan
Zhang, Jiucai
May 2010
Mahasukhon, Puttipong
Zhou, Ting
December 2009
Wang, Wei
August 2009
Wang, Honggang 'Bell'
August 2008
Hua, Kun
August 2007
Hempel, Michael