three-color quinoa and bean paste dumplings. According to the query of official website, Beijing Ziguangyuan Catering Co., Ltd., Ziguangyuan is a brand of Beijing Ziguangyuan Catering Co., Ltd., and the colored glutinous rice balls sold by Ziguangyuan are three-color quinoa and bean paste dumplings. Ziguangyuan was established in the early years of the Republic of China in 1912. It is mainly engaged in Muslim Beijing cuisine, Beijing-style snacks, Muslim breakfast and other formats.