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Shandong Tianyou TunnelEngineering Equipment Co., Ltd

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The Xingding shield tunnel of China Railway 12th Bureau Group successfully completed the 1750 meter shield tunnel in 142 days, with the assistance of Tianyou cutting tools and tail brushes throughout the entire process

Author：PV：811 Time：2023-09-01

The Xingding shield tunnel of China Railway 12th Bureau Group successfully completed the 1750 meter shield tunnel in 142 days, with the assistance of Tianyou cutting tools and tail brushes throughout the entire process

Next： Tiejian Heavy Industry successfully lowered the 15m level cutting tool into the well, initially installed Tianyou cutting tools, and successfully excavated Tianyou Xingsheng Prev： Tianyou Contracting Tools Successfully Launched the Caliva Diversion Tunnel Project in the Philippines

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