Congratulations on November 5, 2019, Beigang Construction Group and Beijing Urban Construction Rail Transit Construction signed the construction contract 03 for the civil construction of the west section of Beijing Rail Transit Line 11 (Winter Olympic Branch). The project will serve the 2022 Winter Olympics, Zhimishi Jingshan Rail Transit Network, and help the construction of Shougang North District. The west section of Line 11 is also the first smart subway demonstration line in Beijing.