CRCHI Launches TBMs for World's Longest Subsea High-Speed Railway Tunnel

On May 16th, 2024, two super-large diameter slurry TBMs, developed by China Railway Construction Heavy Industry Corporation Limited (CRCHI), were launched from opposite directions in Ningbo and Zhoushan for the Jintang subsea tunnel of the newly built Ningbo-Zhoushan Railway. The simultaneous rotation of the cutterheads of the two TBMs marks the start of the TBM advance phase for the world's longest subsea high-speed railway tunnel.

CRCHI Slurry TBM 'Dinghai' Launched