Recently, the shield tunneling of the left section between Yantong Park Station and Cuihu Station of Kunming Metro Line 5 started smoothly, marking the construction of the left section of the tunnel between Yantong Park Station and Cuihu Station of Kunming Metro Line 5 contracted by China Railway 18 Bureau 4 Company.

Changsha metro Line 6 construction ushered in a new progress. July 2, Changsha Metro Line 6 project Department of China Railway No.5 Engineering Group learned that the main structure of Changsha Metro Line 6 station was capped yesterday, which is the first capped station of the western section of metro line 6, 20 days ahead of schedule.

On June 26, 6.28 meters in diameter, total length of 91 meters, weighing more than 500 tons of a large bay area of guangdong, the pearl river delta configuration of water resources the main tunnel is the first project of shield machine, "guangdong 44", in D2 label SZ29-1 officially starting work well, marks the national major water conservancy project formally entered the stage of main water conveyance tunnel of shield construction, new horn plays engineering construction.

Recently, as the "departure" 2 whole section tunnel boring machine (TBM) cutter slowly from the receiver to break rock, which means that the central park station to the smooth realization of the left line between rock temple station tunnel breakthrough, achieved after return to work and production stages in the construction of rail transit, at the same time for the second phase of line 9 promote the next phase of track-laying and other follow-up work has laid a solid foundation.

On the morning of June 16th, the shield tunneling machine "Gongfu 2" smashed the ground and set off smoothly at the right line of Jinchu Street Station. This marks the realization of dual tunneling of Suzhou Metro Line 6, which speeds up the tunneling of shield of Line 6 again.