Zhao; Zhang Yumin; Sun Xianbo; Song Han; He Hongbo; Tanggang; Tan Zhenhua; Hu. According to the people's government network of Jiutai District, Changchun City, Zhao is the director of the digital bureau of the district government; Zhang Yumin is the director of the District Development and Reform Bureau; Sun Xianbo is the director of the District Finance Bureau and the director of the District Agriculture and Rural Bureau; Song Han is the director of the District Bureau of Industry and Information Technology; He Hongbo is the director of the District Housing and Construction Bureau; Tanggang is the director of the District Taxation Bureau; Tan Zhenhua is the director of the District People's Social Security Bureau; Hu is the director of the District Judicial Bureau.