On September 20, the world’s largest tunnel boring machine (TBM) “Hongyi” jointly developed by China Railway Engineering Equipment Group and Sinohydro Bureau 14 was launched, and the second bid (Xianglushan Tunnel) of the Dali section of the Central...
https://sogoodnews.com/china-railway-the-worlds-largest-tbm-for-water-diversion-projects-was-launched-so-good-news/
China Railway: The world's largest TBM for water diversion projects was launched | So Good News - So Good News
sogoodnews.comOn September 20, the world’s largest tunnel boring machine (TBM) “Hongyi” jointly developed by China Railway Engineering Equipment Group and Sinohydro Bureau 14 was launched, and the second bid (Xianglushan Tunnel) of the Dali section of the Central...