The TBM machines produced by our company are widely used in railway tunnel construction, such as the Chengdu, Xi'an, Zhengzhou, Guangzhou subway construction projects and the Chengdu to Xi'an, Chengdu to Lanzhou, Chengdu to Kunming, Chengdu to Guiyang and other railway tunnel construction projects. They are also exported to Singapore, Vietnam, Poland and other countries, and are well received by users.
