The Second Bid Section of Shanghai Airport Contact Line, which was built by China Railway 14th Bureau Shield Company, has advanced 288 loops in a single month, with a footage of 576 meters and an average daily footage of 19.2 meters, creating the fastest record in China for fully prefabricated large-diameter slurry shield.

Wuhu Shield Machine Co., Ltd. of China Railway 14th Bureau Group, established on 20 15, is located in Wuhu City, Anhui Province, and is a manufacturing-oriented enterprise.