China Tunnel Boring Machine (TBM) technology lead world technology in field. People's Daily Online inform CCCC develop new slurry water balance tunnel boring machine. It improve innovate world technology on tunnel boring machines. Shanghai Airport Link Project 11 use it.

Hongpu TBM 14.04 meters diameter. Chinese engineers develop TBM control from manual to fully autonomous operation. Operator monitor screens in autonomous cruise.

TBM use also other innovations. Such as knife optical fiber wear detection and unique long -distance excavation without changing knife and many more.

http://finance.people.com.cn/BIG5/n1/2022/1214/c1004-32586865.html