RLX Technology Inc. announced the appointment of a new independent director to its board of directors (the "Board"), Professor Youmin Xi, effective immediately. Professor Xi will serve as a member of the audit committee, compensation committee and nominating and corporate governance committee of the Board. Professor Youmin Xi is Executive President and Board Member of Xi'an Jiaotong-Liverpool University, Pro-Vice-Chancellor of University of Liverpool and a Professor at the School of Management of Xi'an Jiaotong University. In 1987, Professor Xi established HeXie theory and later extended it with his research team into the HeXie (Harmony) Management Theory, one widely recognized in academic circles.