1, T3 terminal building project of Tianjin Airport Economic Zone, which was undertaken by China Railway No.1 Bureau, and was mainly responsible for the civil structure of the terminal building, airport roads and bridges, and related power supply, water supply and drainage, ventilation, air conditioning and other projects.

2. Tianjin Rail Transit Line 7 Project, which was undertaken by China Railway No.1 Bureau, is mainly responsible for the civil structure, underground station and shield tunnel project of Line 7.