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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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Tiejian Heavy Industry successfully lowered the 15m level cutting tool into the well, initially installed Tianyou cutting tools, and successfully excavated Tianyou Xingsheng

Author：PV：650 Time：2023-09-01

Tiejian Heavy Industry successfully lowered the 15m level cutting tool into the well, initially installed Tianyou cutting tools, and successfully excavated Tianyou Xingsheng

Next： Shandong Tianyou Tunnel Engineering Equipment Co., Ltd. provides the first 9-meter diameter TBM+shield tunneling machine in China with complete sets (blue and yellow cutting tools) to land on Hunan TV Prev： 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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国产超碰AV在线_AV玖玖_成人毛片A片黄色_亚洲黑人无码AV_国产一二三页_国产另类综合