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Tunnel Boring Machine
Earth Pressure Balance
Slurry
Dual-Mode
Horseshoe-Shaped
Rectangular
U-Shape Open-Type
Pipe Jacking Machine
Gripper
Double Shield
Tunnelling Equipment
3-Boom Drill Jumbo
Wet Shotcreting Machine
Roadheader
Cutting Tools
Steel Structure
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Zhengzhou Shield and Tunneling Engineering Research Center Certified
2010-06-13
Establishment of Strategic Alliance for TBM Industry Technology Innovation
2010-05-25
Foundation of China Railway Tunneling Equipment Co., Ltd
2009-12-30
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