南昌市红谷隧道工程是国内江河最长规模最大沉管隧道，沉管长1329米，双向六车道，也是世界在江河中游修建的首座沉管隧道。
参与本工程的实施也是公司实力的体现，是公司象征性的工程之一。
 

Nanchang Red Valley Tunnel project is the longest domestic largest river immersed tunnel, immersed 1329 meters long, two-way six lanes, but also the world's first immersed tunnel built in the middle reaches of the river.

The implementation of this project is also a reflection of the strength of the company and is one of the symbolic projects of the company.