Tunneling to link the world

We adheres to an innovation-oriented development that keeps pace with the time. We strive to be a leader on infrastructure in general and tunnelling in particular, for both today and the future. We work to improve efficiency and quality, with principles of  safe, coordinated, balanced and sustainable development.



China Railway Tunnel Group Co., Ltd. (abbreviated as “CRTG”), founded in 1978, is the largest engineering enterprise specialized in tunneling and underground works of China, is the backbone member of China Railway Group Limited. 
Our group, integrating survey & design, construction, scientific R&D and equipment manufacture, has always been actively engaged in scientific research, technological breakthroughs and new technology promotion and application.  
Our Holding company -CREC, is an international leading comprehensive construction enterprise group. In 2017 ranked 55th in the Fortune Global 500 (The World’s Largest Corporations)  and 8th in the Fortune China 500. The company is providing services to more than 90 countries and regions around the world. Over 50 companies with 280 000 employees.

Bridge Inside


Birger Jarls gatan 14, Stockholm, Sverige


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