South ring road. Changchun Integrity Education Base is located at No.3999, South Ring Road, Nanguan District, Changchun City, Jilin Province. It was held on the fourth floor of Changchun People's Procuratorate, with an exhibition hall area of 1000 square meters. There are many other clean government education bases in Changchun, such as Changchun Clean Government Cultural Center and Changchun Memorial Hall.