Tunnel Boring Machines

Tunnel Boring Machines

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  • China Railway Construction Heavy Industry Co., Ltd.
  • Subsidiary company of CRCC, a construction corporation, one of the Global Fortune 500.
  • A professional enterprisefocuses on high-end TBM, Rail Track Equipment and Specialized Tunnel Equipment, the business covers Research & Development and Manufacture.
  • World biggest TBM manufacturer bases, annual capacity is about 300 units


A tunnel boring machine, also called ‘TBM/Mole”, is a machine used to excavate tunnels generally with a circular cross section through a variety of soil and rock strata. They may also be used for micro-tunnelling. They can bore through anything from hard rock to sand. Tunnel diameters can range from 1 meter (3.3ft, with pipe jacking machine or micro-TBM) to 18 meters(59ft) to date.


  • Earth Pressure TBM
  • Hard Rock TBM
  • Slurry Balance TBM
  • Gripper TBM
  • Single Shield TBM
  • Double Shield TBM
  • TBM for inclined shaft


  • Beijing Metro Line
  • Changsha Metro Line
  • Guangzhou Metro Line
  • Nanchang Metro line
  • Hangzhou Metro Line
  • Fuzhou Metro Line
  • Kunming Metro Line
  • Changchun Metro Line
  • Lanzhou Metro Line
  • Hafie Metro Line
  • Suzhou metro Line
  • Nanning Metro Line
  • Wuhan Metro Line
  • Chongqing Metro Line
  • Shenyang Metro Line
  • Changchun Metro Line
  • Chengdu Metro Line
  • Tiajin Metro Line
  • Xinjing Coal Mines
  • Shenhua Coal Mines
  • Shendong Coal Mines


  • Sierra Leon
  • Saudi Arabia
  • Tiawan
  • USA
  • Nigeria
  • Iran
  • Turkey
  • Sri Lanka
  • Russia

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