Heguang Road, Chaoyang District, Changchun City. According to the query enterprise search information shows that Xu Youdao potato flour head office in Changchun City, Chaoyang District, No. 3 Heguang Road (now No. 147 Heguang Road) Heguang Road and Open Source Street Interchange No. 105. Changchun City, referred to as "long", the ancient name of Xidu, is a prefecture-level city under the jurisdiction of Jilin Province, the capital of the province, a sub-provincial city, the core city of Harbin-Changsha urban agglomeration, the State Council approved one of the center of Northeast China and an important industrial base.