(260327) -- CHANGSHA, March 27, 2026 (Xinhua) -- Technicians debug the tunnel boring machine (TBM) to be exported to Italy at the second industrial park of China Railway Construction Heavy Industry Corporation Limited in Changsha, central China's Hunan Province, March 26, 2026.
The large-scale hard rock boring machine that will serve the Fortezza railway project in Italy rolled off the production line here on Thursday.
The machine has an excavation diameter of 9.68 meters, a total length of approximately 175 meters, and a total weight of about 2,600 tonnes. It is equipped with multiple advanced technologies such as synchronized propulsion and segment assembly, automatic segment hoisting, and adaptive power management. (Xinhua/Chen Sihan)
