If it is said to be a "well-known trademark", it is a well-known trademark. Because whether it is the department store or the old Dong'an Market, they are the four major shopping malls in old Beijing. They are all well-known companies with national reputation. They were regrouped. The company is bigger than before, and it is also a public company. From this point of view, they must be well-known trademarks. But you have a reason to say he is not.