CCCC Road Construction Company Chengkai Expressway Jiming Tunnel

China Railway 12th Bureau Weiwu Expressway Road-Solid Tunnel

China Railway Fourth Bureau Changjinghuang Railway Dongshan Tunnel

China Railway No. 4 Bureau Jinan Ring-city Pushuiquan Tunnel

China Railway Third Bureau Chang-Gan High-speed Railway Wanan Tunnel

China Railway 12th Bureau Da-Rui Railway Laohongpo Tunnel

China Railway Tunnel Bureau G228 National Road Longshan Tunnel Construction

Huangyan No. 2 Tunnel in the Sixth Industrial Zone of Beijing 109 Expressway

Section 5 of Xinjiang Wuwei Expressway

Shanxi Road and Bridge Group Lihuo Expressway Division 4 Project Department, Panjiashan Tunnel Entrance 5

Shanxi Road and Bridge Group No. 2 Company, Lihuo Expressway No. 2 Standard No. 4 Branch, Panjiashan Tunnel Exit 1

Shenzhen-Shantou Cooperation Zone Science and Technology Avenue New Town Tunnel

The 14th Bureau of China Railway is the inclined shaft of Torreya Bay in Qianshiyan Tunnel of Yongjin Railway

Tianzhuang Expressway

Yanjiang Expressway

China Railway Fifth Bureau intersection tunnel

China Railway Fifth Bureau intersection tunnel

China Railway Fifth Bureau intersection tunnel

Guinan High Speed Rail

Baoping Expressway Qinling Tiantai Mountain Extra-long Tunnel

Chengkai Expressway Jiming Tunnel

No. 2 Tunnel of Lalong Village, Tianba Expressway

Qingmiao Village Tunnel of Guinan High-speed Railway

East Illo 1 and 2 Tunnels

Guangxi Upstart Liuzhou Expressway

Mawu Xizhai Expressway Xizhai Tunnel

Sichuan-Tibet National Highway 318

Sichuan-Tibet Railway

Xiyan High Speed Rail

CCCC Fourth Aviation Bureau Guanglian Expressway Peak Tunnel

China Railway Shanghai Bureau Hangzhou-Wenzhou High-speed Railway Xianju Tunnel

China Railway Third Bureau Huanghuang High Speed Railway Tiejiachong No. 1 Tunnel, Liuyuan Tunnel, Wangshangwan Tunnel

China Railway Tunnel Bureau Yanchong Expressway Dongliangdi Tunnel

Chuanjiao Road Bridge Jiumian Expressway Baima Tunnel

Construction of the second step of Guanglian Expressway of CCCC Fourth Aviation Bureau

Jianrong Expressway

China Construction Third Engineering Bureau Chongqing-Guizhou Expressway double-track exit

Chongqing Yuwu Expressway

Chongqing-Guizhou Expressway Double Line of China Construction Third Engineering Bureau

Lehan Grand Canyon Tunnel

Hangzhou-Wenzhou Railway Hukou Tunnel

Changqing Tunnel of Shenbai High-speed Railway

Guizhou Highway Naqing Expressway

Niujinshan Tunnel, Northwest Second Ring Road, China Railway Sixth Bureau

Zhongjiao Road to build Chongqing Wuyunkai Expressway Luyang Tunnel

Sichuan Jianquan Village Tunnel