津膜科技(300334.SZ)：董事长范宁辞职

Core Viewpoint - The company announced the resignation of Chairman Fan Ning to optimize the board and management structure while he will continue to serve as a director and general manager focusing on daily operations [1] Group 1: Leadership Changes - Chairman Fan Ning submitted a written resignation report to the board to enhance the internal functions and division of responsibilities [1] - Following his resignation, Huang Yi was elected as the new chairman of the fifth board of directors, effective immediately upon board approval [1]