This question is actually very simple. The so-called "Ji" refers to the food series of "Ji" or "Jia", which is handed down from my ancestors and recorded. For example, Majia Shaomai, a century-old store in Shenyang, Liaoning Province, is a famous brand in Taiwan Province, "Xu Fuji" and "Yao Ji", a famous brand in dry goods, and so on.