Liu Dechun, deputy director of Dalian, is currently the director of the Environmental Protection Department of the National Development and Reform Commission.

On June 7, 2022, Liu Dechun, the leader of the National Leading Group for Promoting the Development of the Yangtze River Economic Belt (Director and Deputy Director of the Basic Industries Department of the National Development and Reform Commission), led Jia, Director of the Yangtze River Division of the Basic Industries Department of the National Development and Reform Commission, and the Deputy Director of the Yangtze River Water Resources Commission of the Ministry of Water Resources to investigate the sewage outlet into the river and Dongsheng reclaimed water project in our district. Dai Yongbo, member of the Party Group and Deputy Director of the Provincial Development and Reform Commission, and Liu Wei, deputy head of Shuangliu District, accompanied the investigation.