July 23rd. Changchun Fu Lin Garden official website inquired that there was a real estate license on July 23rd. Changchun, formerly known as Xi Du and Chachong, is a prefecture-level city, provincial capital, sub-provincial city and I-type big city, and is the core city of Harbin-Changzhou urban agglomeration under the jurisdiction of Jilin Province. It is one of the central cities and important industrial bases in Northeast China determined by the State Council.