Recently, Hong Yongqing, director of the Shanghai Office of the Association for the Promotion of South-South Cooperation of the Ministry of Foreign Affairs, visited our company for investigation. During the investigation, Director Hong Yongqing listened carefully to the report of Mr. Lu Ruiqiang, general manager of our company, and put forward valuable opinions and Suggestions on intellectual property issues. After the investigation, Director Hong Yongqing personally issued the membership card of South-South cooperation promotion Association to our company.

The Shanghai Airport Link line has 9 stations, which adopt the national railway standard, with the design speed target of 160km/h, and adopts the laying method of viaduct, ground and underground, mainly underground. The project is scheduled to be completed and put into operation in 2024, when the transit time between hongqiao and Pudong is expected to be less than 40 minutes.

Following the successful exit of the "tiebing no. 1" shield tunneling machine, "tiebing no. 2", the last shield tunneling machine in charge of the construction of metro line 22 from qi-fu to guangzhou south railway station (hereinafter referred to as "qi-guang section"), also completed the construction task successfully on May 18, marking the completion of the double-line tunnel in this area. This is the longest shield range on the whole line and the first to realize the connection between the two tunnels.

At 11:8 am on 18th, with the "start to advance" command issued, wuhan metro line 16 chuan river basin station - dun mouth station section right line shield tunnel cylinder began to elongate, the blade began to rotate after touching the palm surface, for wuhan metro line 16 early completion of a solid step.

At 9:30am on May 13th, xiamen rail transit line 6 (maluan bay section) jimei island station to xibin intersection station, the two lines of cross-sea shield tunnel interval through! The length of this section is about 7600 meters. The tunneling task of the cross-sea tunnel has been completed successfully. Another difficult and high-risk project of xiamen metro has been overcome!