正丹股份：选举曹沛为第五届董事会职工代表董事

Group 1 - The core point of the article is that Mr. Cao Pei has submitted his resignation as a non-independent director of the fifth board of directors of Zhengdan Co., but will continue to serve as the deputy general manager [2] - The company held a staff representative meeting on August 18, 2025, where Mr. Cao Pei was elected as a representative director of the fifth board of directors, with his term lasting until the end of the current board's term [2]