51 years old. Gao Defu was born in Hegang City, Heilongjiang Province in October 1972. His age is the current year minus the year of birth, that is, 2023 minus 1972 equals 51 years old. Since 1990, Gao Defu has been involved in the catering industry. In 2002, he chose the subcategory of freshly made dumplings to develop deeply and created the Xijiade brand.