Trade names are mainly used to distinguish enterprises and represent the reputation of manufacturers, and must be associated with producers or operators of goods. The right of trade name has the right of name, so the right of trade name is more closely related to the person or identity.
For example, Unilever is a brand name used to distinguish enterprises.
Unilever's Pan Ting, Head & Shoulders, China Toothpaste, etc. These are trademarks used to distinguish different goods.