Luojiazhai Tunnel, Liuwei Expressway, Guizhou Bridge Construction Group C., Ltd.

Baima Tunnel, Jiuzhaigou-Mianyang Expressway, Sichuan Chuanjiao Cross Road & Bridge Co.,Ltd.

Xuliang Tunnel, Zhengzhou-Wanzhou High-speed Railway, China Railway No.5 Engineering Group Co., Ltd.
2019/04/11
Xuliang Tunnel, Zhengzhou-Wanzhou High-speed Railway, China Railway No.5 Engineering Group Co., Ltd.

Huapingshan Tunnel, State Road 104, China State Construction Engineering Corporation

Changleshan Tunnel of Quzhou-Ningde Railway, China Railway Bureau 12 Co., Ltd.

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