上海环境：邰俊辞任总工程师，余毅接任

Core Viewpoint - The company announced the resignation of its Chief Engineer, Tai Jun, due to work-related changes, and appointed Yu Yi as the new Chief Engineer effective immediately [1] Group 1 - The resignation of Tai Jun means he will no longer hold any position within the company after his departure [1] - The board of directors has approved the appointment of Yu Yi as the new Chief Engineer [1] - Yu Yi's term will last until the current board's term expires [1]