欧美日韩亚洲高清国产_中文字幕欧美老熟女_韩国精品一区二区在线_人妻中文字幕av片_综合激情熟女久久_成年人免费电影_亚洲精品国产拍_亚洲v?中文字幕不卡无码_成人极品无码高清_不卡欧美在线视频

Group Business

Reconstruction of Qinglian Expressway (G0421)

Qinglian Expressway is the first large-scale mountainous first-class highway transformation project in China. It won the first prize of Science and Technology Award of China Highway Society. It has a total length of 216 kilometers and a total investment of 6.131 billion yuan. It was opened to traffic in January 2011. Due to the intersection of various construction technology issues and construction management issues, there is no similar successful experience in China to learn from, and it is called the "encyclopedia" of highway construction management by experts.


Contact information
Investor Message
Complaints and consultations
Complaint consultation
Road network information
Complaint consultation
Close