On May 10th, Pi Chunming, executive deputy general manager of CCCC Second Maritime Engineering Bureau Co., Ltd., Yang Qing, deputy chief engineer, Yang Yunjie, project manager and other parties visited our company for a two-day inspection.
The longest undersea tunnel in China -- Zhanjiang Bay Undersea Tunnel of Guangzhou-Zhanjiang High-speed Railway ushered in an important node! On May 8, "Yongxing" shield tunneling machine finished the factory manufacturing in Jiangmen, and will be shipped to the Guangzhou-Zhanjiang Bay high-speed railway submarine tunnel for assembly and use.
On April 20, 2021, the "Endeavour No. 2" shield tunneling machine slowly broke through the rock at the receiving shaft of Erqiao Park Station, marking the smooth completion of the shield tunneling on the right line of the second section of the fourth mark of the north extension of Nanjing Metro Line 1. Thus, the two - section double - line shield construction was successfully completed.