Where are some companies in Liutian Tunnel Project in Guangxi?

The branch is located in Guilin, Guangxi, China. Liutian Tunnel, with a total length of 2045 meters, started excavation on April 7th, 20021year. With the strong support of owners, supervisors, designers, local governments and other units, many unfavorable factors such as poor geological surrounding rock, large eccentric pressure of tunnel body, narrow working face and so on have been overcome. It took more than 300 days and nights to clear and rain, and the tunnel was completed 3 1 day ahead of schedule.