CREG (China Railway Engineering Equipment Group Co., Ltd.) is a worldwide underground solutions provider for a full range of mechanized tunnelling technology and services.

World's Largest Diameter Hard Rock TBM Breakthrough... CREG Φ14.29m Dual Mode TBM Ready for Guifeng Mountain Tunnel... CREG's Box Jacking Machine Successfully Delivered First Cross Passage in Melbour...

2024年11月20日 · This U-shaped TBM is 9.36m wide by 20.72m high, which is independently designed and manufactured by China Railway Engineering Equipment Group Co., Ltd. (CREG). Its design and manufacturing integrate the requirements of the open cut method in the construction of utility tunnels.

2022年6月15日 · “Tongzhou” double-shield hard-rock TBM features a boring diameter of 5.06 meters and will soon be used to construct the No. 5 tunnel measuring 6.406 kilometers in length. The research and development team adjusted and optimized the layout, enhanced the intensity of the cutter, and improved the level of protection for key parts based on the ...

The China Railway Group (CREC) on Thursday announced its completion of a huge tunnel boring machine (TBM) with advanced capabilities for drilling in wet conditions, a breakthrough which the company sees as a demonstration of its world-leading status. TBMs are tube-shaped monsters used to drill underground tunnels.

2019年6月12日 · CREC-TBM adopts international mode of “Independent Research and Development, Global Sourcing”. The critical parts such as main bearing, main drive reducer and motor, air regulation system, guidance system, control system, hydraulic components etc. are all from the international well-known suppliers, which give a powerful guarantee to the ...

2023年5月25日 · China Railway Engineering Equipment Group Co., Ltd., a subsidiary of China Railway Group Limited (CREC), recently completed development of two pioneering tunnel boring machines (TBM) -- the world's first green TBM and the world's first mining-dedicated large-inclination-angle downhill TBM.

On September 9, China's first domestically produced large-diameter, high-inclination inclined shaft TBM (Tunnel Boring Machine) "Yongning," jointly developed by CREC's subsidiary China Railway Engineering Equipment Group, State Grid Xinyuan Luoning Company, and Sinohydro Bureau 6, successfully completed the precise tunneling of the No. 2 water ...

Based on our core competitiveness in manufacturing and customer service, CREG has become the largest TBM manufacturer in China within 10 years. The market share of its TBMs has been topping for 8 consecutive years, since 2012; while its production and sales volume have stood first for 3 consecutive years, since 2017.

2019年6月17日 · “CREC665”, the first TBM exported to the African continent from China, will demonstrate its capability fully in the tunnel project (9,565 meters) of the Algiers metro extension line in Algeria. It will open a new chapter of China-Africa cooperation in production capacity under the Belt and Road Initiative.