Users group Security System ---- There are 28 city trunking communication systems in the whole country Aid Foreign Project ---- Department of Interior of Laos Ministry of Interior of Burma Department of Interior of Kirghizia Department of Interior of Kazakstan Politics and law system Traffic police Fire protection, military, frontier defense Airport Broadcast and TV system Recreation places Deal with the emergency and rescue Save from damage and bodyguard Factory and corporation Community property Hotel Marketplace Foreign enterprise Logistics company Travel liaison