Beijing, Tianjin, Shanghai and other cities.

Master Bao is a brand owned by Beijing Bao Caisheng Catering Company. As of July 13, 2022, it has dozens of branches nationwide, most of which are located in Beijing. 14 of the 26 directly-operated stores mentioned in this article are in Beijing, located in Xidan, Xi'anmen, Chaoyang District, Dongcheng District, Yonghe Temple, Xinjiekou, Zhongguancun, Haidian District, etc. The other stores are located in Tianjin , Shanghai, Zhejiang, Jiangsu and other places, including two in Tianjin, five in Shanghai, one in Zhejiang, two in Jiangsu, and one each in Anhui, Hubei, and Sichuan.

Master Bao is a pastry brand. According to the information published on the China Trademark Network, the registration number of the trademark "Master Bao" is 21718200A, the application date is October 28, 2016, and the registration announcement date is September 14, 2018. It is affiliated to Beijing Bao Caisheng Catering Management Co., Ltd., International Classification 30, Products include bread, pastries, moon cakes, cereal-based snacks, soy flour, edible starch, and thickened cream preparations.