Your position：Jinjiazhuang Extra-long Spiral Tunnel
Entrance of Hebei Jinjiazhuang Extra-long Spiral Tunnel in Yanqing-Chongli Expressway is located at east of Zhuanlou Village, Paoliang Town, Chicheng County and northwest of Jinjiazhuang Village, exit at Qipanlaing, Chongli Zone. Jinjiazhuang Extra-lo…
More >Nanchong-Chongqing Expressway Huayingshan Tunnel
Nanchong-Chongqing Expressway Huayingshan Tunnel is 9,411.90m long in total. During construction, it has successfully surmounted serious water gushing, projecting mud soil and other industrial problems when faced with gas, coal rake, gob, high pressur…
More >Micangshan Tunnel
Micangshan Tunnel, with 13.8km long in total, is a highway tunnel under construction ranking No.1 in Sichuan Province, No.2 in China and No.3 in the world for its length. Due to the overlength and complex geological conditions, its construction diffic…
More >Wenchuan-Maerkang Expressway Shiziping Tunnel
Wenchuan-Maerkang Expressway Shiziping Tunnel is about 13.4km long in total, close to Miyaluo Fault Zone, with complex geological structure, poor grade of surrounding rock and great construction difficulty.
More >Balangshan Tunnel
Balangshan Tunnel, is 8.8km long, including the main tunnel of 7,950m,it was the longest tunnel in China on plateau with entrance and exit about 3,850m above the sea level at that time.
More >Xichang-Panzhihua Expressway Suanshuiwan Tunnel
Xichang-Panzhihua Expressway Suanshuiwan Tunnel
More >Contact Us
Address: 12 Jiuxing Avenue, High-tech Development Zone,
Chengdu, Sichuan
Tel: (+86) 028-85143446 Fax: (+86) 028-85143446
蜀ICP备12030578号-2
Copyright: Sichuan Road and Bridge (Group) Co., Ltd.
The ultimate interpretation right resides with
Copyright: Sichuan Road and Bridge (Group) Co., Ltd.
Sichuan Road and Bridge Construction Group Co., Ltd.