Changfeng police station. According to official website, the Hengyang Municipal People's Government, Rain Alma Mater District of South China University is located at No.228, Hengqi Road, Hengyang City, Hunan Province, and the police station under its jurisdiction is Changfeng Police Station. The overall planning of the new campus of University of South China (Yu Alma Mater Area) is to the north of Hengzhou Avenue, to the west of Yuelin Expressway and to the south of Zhengshui.