上美股份：周蔚获委任为执行董事

Core Points - The company announced the appointment of Mr. Sun Hao as a representative director from September 25, 2025, until the end of the current board's term [1] - Mr. Sun has submitted his resignation as a non-executive director effective from September 25, 2025, due to changes in responsibilities [1] - Ms. Zhou Wei has been appointed as an executive director, effective from September 25, 2025, until the end of the current board's term [1]