伟星新材：公司副总经理洪义华退休离任

Group 1 - The company announced the resignation of its Vice President, Hong Yihua, due to reaching retirement age, effective upon delivery of the resignation report to the board of directors [2] - After retirement, Hong Yihua will no longer hold any positions within the company or its subsidiaries [2] - For the fiscal year 2024, the company's revenue composition is as follows: manufacturing accounts for 99.29%, while other businesses contribute 0.71% [2]