Expressway from Qingdao to Yinchuan (in Ningxia), Yanchi to Zhongning Section, located in Ningxia Hui Autonomous Region, in the east-west direction, across the middle of the Autonomous Regions, line stars form the southeast of Yanchi county, connected to Qingdao-Yinchuan expressway, passes the Qingshan county, Huianbo county, Hongsibo county, Ends at Enhe town, Zhongning county, connected with have been built Beijing- Tibet Expressway. As the liaison line of, Qingdao-Yinchuan, Beijing - Lhasa and Lianyungang-Khorgos, three expressways in the National Expressway Network, this project is a part of Dingbian-Wuwei liaison line, and the third cross line in Ningxia's "three vertical and six horizontal" highway network. It plays an extremely important role in accelerating the economic development of our region, especially in the implementation of the strategy of "western development", and provides a convenient channel for the traffic between western China and east and North China.