Changchun economic and technological development zone. According to Baidu Encyclopedia, Oriental Plaza belongs to Changchun Economic and Technological Development Zone in Jilin Province and is managed by the Management Committee of Changchun Economic and Technological Development Zone. Dongfang Square Street has jurisdiction over the following areas: Donghuan Road Community, Yangpu Street Community, Xinkaihe Community, Century Street Community, jinzhou area Community, Dalian Road Community, Yingkou Road Community, Huayuan Road Community, Lanzhou Street Community, Yang Jiacun, Liming Village and Sandao Village.