艾可蓝：董事姜任健辞职

Group 1 - The company Aikolan (SZ 300816) announced the resignation of non-independent director Jiang Renjian due to personal reasons, while he will continue to serve as CFO and board secretary [1] - Aikolan's revenue composition for the year 2024 is reported to be 97.51% from engine exhaust after-treatment and 2.49% from other businesses [1] - As of the latest report, Aikolan's market capitalization stands at 3.1 billion yuan [2]