1. Construction List of No.7 Bid Section of Yongji expressway in Gansu Province: Hubei Road and Bridge Group Co., Ltd., Gansu Road and Bridge Construction Group Co., Ltd., China Communications Second Highway Engineering Bureau Co., Ltd., Shandong Gretel Supervision Consulting Co., Ltd., Beijing Huahong Engineering Consulting Co., Ltd., China Railway 16th Bureau Group Co., Ltd. and Gansu Traffic Engineering Construction Supervision Co., Ltd.
2. Gansu Yongji expressway construction and defect repair supervision business is divided into five supervision blocks and five construction blocks.
3. There are two sections of Yongjing-Jishishan Expressway, namely Yongjing section (G75 Yongjing-Jishishan) and Liangjiaxia section (G75 Liangjiaxia-Jishishan).
I suggest you visit official website, Gansu Provincial Department of Transportation for more detailed information.