He runwu According to official website of Changchun Education Bureau, He Runwu is the first judging base of Changchun Adult Chinese Dancers Association and the first authorized international advanced jazz dance. It is recognized as the best dance school in Changchun, with strong teachers and good teaching quality. Changchun is called "Chang" for short, and it is also called "Spring City in the North". It was called Xi Du and Chachong in ancient times. It is a prefecture-level city, provincial capital and sub-provincial city under the jurisdiction of Jilin Province.