What is the relationship between Lianhua, Hualian, Century Hualian and Century Lianhua? I don't know, I'm dizzy!

Lianhua Supermarket and Century Lianhua are the same company. We generally define Century Lianhua as a hypermarket. In other words, you can imagine Century Lianhua as a hypermarket of Lianhua Supermarket. Hualian is run by a local company in Shanghai (everyone in Shanghai knows it), and Shiji Hualian is from Shanghai, so it can only be seen in the countryside.