Liu Yin, Secretary of Dongcheng District Committee, Director of Dongcheng District Preparatory Committee Niu Qingshan, Deputy Secretary of Dongcheng District Committee, Leader of Dongcheng District Preparatory Committee Government Preparatory Team Feng, Leader of People's Congress Preparatory Team of Dongcheng District Preparatory Committee Xu Hongda, Head of Preparatory Team of Dongcheng District Preparatory Committee Office Address New Dongcheng District Committee and District Government Preparatory Team: No.6, Dongcheng Yuqun Hutong, the former office building of Dongcheng District Committee and District Government; The original office building of Dongcheng People's Congress and CPPCC is Yuqun Hutong 1, and the new preparatory group of Dongcheng People's Congress and CPPCC is No.32 Xingfu Avenue, the original office building of Chongwen District Committee, District Government, District People's Congress and District CPPCC.