Shanghai Tianhao Industrial Co., Ltd. has signed a strategic cooperation agreement with Shaanxi Construction Steel Structure Co., Ltd. in Xi 'an on July 1, 2021.

On October 20th, the cumulative excavation of the double-track tunnel between Baida No. 1 Well and Dayun Station in the Fifth Work area of the 2nd contract section of Shenzhen-Dalian Intercity Railway exceeded 8,000 meters, marking that the project has fully entered the sprint stage and laying a solid foundation for the on-schedule completion of the entire line.

On September 14th, the double-track shield tunneling of the Lingkong North Road Station - Gaoling Middle Ventilation Shaft section and the vehicle depot entry and exit Line - Lingkong North Road Station section of the 105th contract of the first phase of Shanghai Metro Line 22 (Chongming Line) was successfully completed.