May 2023 1. According to official website of Xibei Catering Group, Xibei miscellaneous grains zongzi has three flavors: yellow rice cold cake zongzi, old Xi glutinous rice cake red jujube zongzi and Mongolian cheese oatmeal zongzi, which were officially listed on May 1 2023. The catering group was founded in 1988, and its founder was Jia. Xibei Catering Group has become one of the leading catering brands in China.