The information center（including the communication building）and the airport supervision building of Capital Airport are located  northwest  to  the navigation station building. And being the day-to-day and information management hinge buildings of the airport, they are important components of Capital Airport.

In early 2006,Shenling company became the successful tenderer for the open tender of AC terminal equipments in the project of the information center and the airport supervision building of the Capital Airport project, and successfully supplied the products in response to the bidding contract.