Circle R is the mark of "registered trademark", which means that the trademark has been registered in the State Trademark Office and has been approved by the Trademark Office to become a registered trademark. R in the circle is the initial letter of English registration. Registered trademarks have the characteristics of exclusiveness, exclusiveness and uniqueness. It belongs to the registered trademark owner 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.

In addition, the TM logo on the upper right is common, TM means trademark symbol, that is, words, graphics or symbols marked with TM are trademarks, but they are not necessarily registered (unregistered ones are not protected by law). TM is the abbreviation of English trademark.