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CCCCTH is a wholly owned second-level subsidiary of CCCC, a global 500 company.

CCCCTH is principally engaged in the design and manufacturing of TBMs and marine ships and provides service integrating construction and management communication infrastructure, covering road works, civil works, rail transportation works.

CCCCTH manufactures TBMs with a diameter ranging from 3.64m to 16.1m, including TBM, Slurry, EPB, Mixed and Open types. Its products are used in Beijing, Shanghai, Tianjin, Nanjing, Hefei, Nanchang, Fuzhou, Zhuhai and Foshan as well as in Asia and Europe, covering different fields including civil pipe net construction, metro, intercity railway and nuclear power plant. The φ14.93m ultra-large slurry TBM Tianhe manufactured by CCCCTH was the first ultra-large TBM in China and broke the monopoly of foreign suppliers.

CCCCTH has passed the certification of ISO9001 Quality Management System, ISO14001 Environment Management System and GB/T28001 Occupational Health and Safety Management System. CCCCTH owns 16 patents for invention and 24 new practical patents. CCCCTH has been appraised as High-tech New Enterprise, Research Center of Key Technical Engineering of TBM, Full Face TBM Enterprise with Level 1 Qualification, Enterprise with Second Level Safe Production Standard as well as dozens of honors.

We have gone through all the ups and downs in the past years. We look forward to a future where the world is more unimpeded, the city more livable and the life more beautiful. We hold the mission of our company that firm foundation and practical spirit lead to a better future and hold to our enterprise spirit that communication integrates the world and builders' work is boundless.