长城电工(600192.SH)：授权副总经理周济海代行总经理职责

Core Viewpoint - The company announced the resignation of two key executives, General Manager He Jianwen and Director Yang Tianfeng, due to work changes and retirement respectively [1] Group 1 - He Jianwen resigned from all positions within the company and its affiliated entities due to work changes [1] - Yang Tianfeng resigned from his director position and related committee roles due to reaching retirement age [1] - Following the resignations, the board authorized Deputy General Manager Zhou Jihai to act as the interim General Manager until a new appointment is made [1]