What's the relationship between Lianhua, Hualian, Century Hualian and Century Lianhua? I'm not sure what I'm talking about, but I'm not sure what I'm talking about!

Lianhua Supermarket and Century Lianhua are the same company, we generally define Century Lianhua as a hypermarket, in other words, you can think of Century Lianhua as a hypermarket of Lianhua Supermarket. Hualian is a local company opened in Shanghai (is the Shanghai people know), Century Hualian is foreign from Shanghai, the original are in the countryside can only be seen