Dr Minshen Zhu visited Washington on 28th Oct 2008 and attended the dinner hosted by His Excellency Wenzhong Zhou, the Chinese Ambassador to US, and his wife Madame Shumin Xie Dr Minshen Zhu visited Washington on 28th Oct 2008 and attended the dinner hosted by His Excellency Wenzhong Zhou, the Chinese Ambassador to US, and his wife Madame Shumin Xie.