Yes. Dr. Yesen is a brand registered by Guangzhou Yesen Biotechnology Co., Ltd., which was registered with the Guangzhou Baiyun District Market Supervision and Administration Bureau on April 23, 2023. Dr. Yesen was registered on December 21, 2021. The trademark has been applied for, and the exclusive right period of the trademark is from July 7, 2022 to July 6, 2032. It has formal trademark certification information, formal business license and business procedures, so Dr. Nosen is a formal brand.