Tas(tunnel Advertising System) asked to import for Iran

As I searching TAS technology (Tunnel Advertisement System) , I found your company that I think working on this solution .
If so, let me ask you some questions ,if you don,t mind.
1- What parts of your TAS System is included?
2- How can be installed in subway tunnels? Is it needed to install by your team?
3- can you give a quota of your solution
I,ll be very glad to give me more information about this solution .