CHSR and CSCEC has won the bid for the PPP project of Tianjin Line 7 as a consortium in 2019. The first phase of Tianjin Metro Line 7  is the first whole subway project implemented in PPP mode in Tianjin, which has been launched its construction on July 12, 2019, with a construction period of 4.5 years and an operation period of 21.5 years. 

Through this project, the company will be able to obtain performance success in line operation and intelligent equipment application, which will lay a solid foundation for the company to extensively develop rail transit operation and maintenance business in the future.