Dayu of China Railway Ninth Bureau is now in his post.

Deputy general manager. On August 29th, 2022, Ma Weiguo, general manager of Northern Mining, met with Tie Dayu, deputy general manager of China Railway Ninth Bureau. China Railway No.9 Engineering Group Co., Ltd. (hereinafter referred to as China Railway No.9 Engineering Group) is a central enterprise supervised by the State Council State-owned Assets Supervision and Administration Commission and belongs to China Railway Corporation, a fortune 500 enterprise in the world. It is a multi-functional large-scale group integrating design, construction, scientific research and real estate development, with an annual construction capacity of over 20 billion yuan.