longjiabao laobairou blood sausage Changchun head store. After inquiring about official website, Changchun, Changchun Xuechang joined the Changchun Head Office called Longjiabao Old White Meat Xuechang. Changchun, known as Xidu and Chaachong in ancient times, is a prefecture-level city, provincial capital, sub-provincial city, I-type big city, and the core city of Harbin-Changzhou urban agglomeration under the jurisdiction of Jilin Province. It is one of the central cities and an important industrial base in northeast China approved by the State Council.