国产高清Av,超碰免费97,av天堂观看,欧韩日av,日韩超级A片免费视频

Shandong Tianyou TunnelEngineering Equipment Co., Ltd

Hotline：+86-0635-8368869

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

Location： Home >Cases

Cases

Hotline

+86-0635-8368869

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：638 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

QQ
Tel

+86-0635-8368869
Message
Wechat
Top