A few days ago, the airport link line successfully completed the step by step speed test, reaching the test target speed of 176 km/h, and successfully completed the phased goal of the joint test work.

At 9 a.m. on July 10, a 500-ton crawler crane and a 320-ton crawler crane joined forces to steadily lift a 77-ton steel cage, and the steel cage was slowly lowered into the geosyncline with the cooperation of more than a dozen workers. 

Shentong Metro Group introduced, recently, Shanghai Metro Line 17 welcomed a "new member" - 17A02 train. After months of commissioning, the train has successfully completed a number of key performance tests and officially entered the sprint stage of commissioning before trial operation. 

On June 15, Line 15 and 27 of Chongqing Urban Rail Express Line were fully promoting the application of shield dreg dry and wet separation equipment to create a green construction site and accelerate the construction of the project.

Recently, the second phase of Line 4 crossing the river shield machine "New Journey" came out of the good news, the last part of the shield machine - the shield tail has arrived at the construction site, marking the assembly stage of the shield is about to be completed, and the shield machine has entered the countdown stage.

Chongming District Information Office introduced that at 14:00 on May 26, after 20 consecutive hours of construction, the first column of the No. 3 and No. 4 main tower pier of Chongqi Railway Yangtze River Bridge was successfully poured, marking the major progress of the construction of the V standard Chongqi Railway Yangtze River Bridge in front of the Huning section of the Shanghai-Chongqing high-speed Railway station.