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Shandong Tianyou TunnelEngineering Equipment Co., Ltd

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Keywords： Roller Cutter Double disc cutter Triple roller cutter with TCBI Wedge gear hob

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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：340 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

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