1. R is the mark of "registered trademark", which means that the trademark has been applied for registration in the State Trademark Office and passed the examination by the Trademark Office, and has become a registered trademark.

2. the r in the circle is the initial letter of English register registration.

3. A registered trademark is exclusive, exclusive and unique, belongs to the owner of the registered trademark and is protected by law. Without the permission or authorization of the registered trademark owner, no enterprise or individual may use it, otherwise it will bear tort liability.