Ru Yan expressway won the bid.

The whole line is divided into 8 supervision contract sections and 39 subgrade civil contract sections (see table 1 for details).

Table 1 civil engineering supervision unit and construction unit

Contract Section C 1 Anhui Construction Engineering Group Co., Ltd. Guangxi Guitong Highway Engineering Supervision Consulting Co., Ltd. First Supervision Office C2 Sichuan Chuanjiao Road and Bridge Co., Ltd. C3 Shandong Yellow River Engineering Group Co., Ltd. C4 Guangdong Changhong Highway Engineering Co., Ltd. C5 Chengdu Huachuan Highway Construction (Group) Co., Ltd. China Railway Second Bureau C6 Fifth Engineering Co., Ltd. Hunan Huda Construction Supervision Co., Ltd. Co., Ltd. Second Supervision Office C7 China Railway 15th Bureau Group Fifth Engineering Co., Ltd. C8 China Railway Tunnel Group Co., Ltd. C9 Shandong Dongfang Road and Bridge Construction Corporation C 10 Hubei Road and Bridge Group Co., Ltd. C1China Railway 12th Bureau Group Co., Ltd. Chongqing Jincheng Project Third Supervision Office Consulting Co., Ltd. C 12 China Railway Tunnel Group Co., Ltd. C/ Kloc-0/3 Office of the Fourth Supervisor of China Railway Third Engineering Group Co., Ltd. c 65438 Li Co., Ltd. C 17 Xinjiang Beixin Road and Bridge Co., Ltd. C 18 Tianjin Urban Construction Road and Bridge Engineering Co., Ltd. C 19 Yueyang Highway and Bridge Infrastructure Corporation C20 Shunji Group Co., Ltd. C2 1 Shaoyang Highway and Bridge Construction Co., Ltd. Office of the Fifth Supervisor of Hunan Hotan Engineering Project Management Co., Ltd. C22 Hunan Yiyang Highway and Bridge Construction Co., Ltd. C23 Hubei Yangtze River Highway and Bridge Co., Ltd., Co., Ltd. C24 Hunan Chenzhou Highway and Bridge Construction Co., Ltd. C25 China Communications Second Bureau Third Engineering Co., Ltd. C26 Chaoyang Construction Group Co., Ltd. Beijing Huatong Road and Bridge Supervision Consulting Co., Ltd. Sixth Supervision Office C27 Zhejiang Zheng Fang Traffic Construction Co., Ltd. C28 China Railway Second Bureau Co., Ltd. C29 Chongqing Yuda Highway and Bridge Co., Ltd. C30 Hengyang Highway and Bridge Construction Co., Ltd. C3 1 Lugang Group Co., Ltd. Changsha CNNC Highway Engineering Supervision Consulting Co., Ltd., Ltd. Seventh Supervision Office C32 Henan Road and Bridge Construction Group Co., Ltd. C33 China Railway 25th Bureau Group Co., Ltd. C34 Zaozhuang Road and Bridge Engineering Co., Ltd. C35 Nuclear Industry Northwest Engineering Construction Corporation C36 China Construction Engineering Corporation Hunan Sanxiang Traffic Construction Supervision Office Eighth Supervision Office C37 Sichuan Wu Tong Road and Bridge Engineering Bureau C38 Shandong Yimeng Traffic Engineering Co., Ltd. C39 China Railway 11th Bureau Group Third Engineering Co., Ltd.