is Gao Defu. Xidin founder Gao Defu worked in a small restaurant in Hegang, Heilongjiang, and then did a variety of businesses such as northeastern cuisine, seafood restaurants, clubs, hot pot restaurants, and also made a little money to make dumplings. Xiding sea urchin dumpling store (limited partnership), founded in 2016, is located in Dalian, Liaoning Province.