圣达生物：董事会秘书变更

Group 1 - The core point of the article is the appointment of Han Wei as the secretary of the board of directors of Shengda Bio, effective from December 15, 2025, to December 14, 2028 [1] - Liang Chao has also been appointed as the general manager for the same term [1] - Zhou Bin will step down as general manager on December 15, 2025, due to the board's restructuring [1] Group 2 - Han Wei, born in April 1986, holds a master's degree and has a background as a senior lawyer and legal director in various companies, including Zhejiang Shengda Bio [1] - The article provides a timeline of the appointments and changes in the company's leadership, indicating a planned transition in management roles [1]