R is the English abbreviation of register.
Trademark R: Indicates that this product mark is a registered trademark and enjoys exclusive rights to the trademark. The trademark registrant has the right to indicate the registered trademark or registered mark. According to the provisions of the Implementing Rules of the Trademark Law of the People's Republic of China: the use of a registered trademark should be marked with the word registered trademark or the registered mark or R. If it is inconvenient to mark it on the product, it should be marked on the product packaging or instructions and other attachments.