Sou Hu Cai Jing·2026-01-02 01:43Group 1 - The chairman of Guangdong Construction, Zhang Yumin, has submitted his resignation due to reaching the legal retirement age [2] - Zhang Yumin's resignation is effective immediately upon delivery to the board, and he will no longer hold any position within the company [2] - As of the announcement date, Zhang Yumin does not hold any shares in the company and has no unfulfilled commitments [2] Group 2 - Zhang Yumin was born in April 1965 and has held various significant positions in the postal and construction sectors, including roles in Guangzhou Postal Bureau and Guangdong Airport Management Group [4] - He has served as the chairman and legal representative of Guangdong Construction Group and has extensive experience in management and leadership roles [4] - The company will promptly appoint a new director and elect a new chairman in accordance with relevant laws and regulations [2]