理工光科：董事丁峰辞职

Core Points - The company announced that director Ding Feng submitted his resignation due to work arrangements, effective immediately upon delivery to the board [1] - Ding Feng will no longer hold any position within the company after his resignation [1] - The company held a staff representative meeting on the same day, electing Zhang Xiaojun as the employee representative director of the eighth board, with a term lasting until the end of the eighth board's tenure [1]