On October 31, China completed the production of its largest tunnel-boring machine, "Jianghai", measuring 16.64 meters in diameter, in Changsha, Central China’s Hunan province. The machine is built through a collaboration between China Railway Construction Heavy Industry Corporation Limited and China Railway 14th Bureau Group Corporation Limited, and will be used to construct a tunnel beneath the Yangtze River in Jiangsu province, connecting Nantong and Suzhou.
