These are two different supermarkets. Su Guo Card is a shopping card issued by suguo supermarket, and Yonghui Supermarket is a shopping card of Yonghui Supermarket. Their two cards are nothing different, they are two independent supermarkets, not the relationship between this company and its subsidiaries.
Suguo supermarket co., ltd was established in July 1996. Its predecessor was the Fruit Department of Jiangsu Fruit Food Company. The word "Su Guo" is taken from "Jiangsu Fruit and Grocery Corporation". In June 2004, China Resources Venture Co., Ltd. held 85% equity of Su Guo.