Irsal Telecoms start working in the Prefab house on June 2015. The prefab house is a house that made by new concept of environmental protection and economic activities. The prefab house uses light steel as frame, and sandwich panels as the building envelope materials, with a standard module for space series. The Advantages of Prefab House The prefab house is designed in steel structure. Features: optional dis assembly, convenient transportation, convenient movement and the prefab room is located in hillside and it is suitable for hilly, steppe, desert, and river. It doesn’t take up space, and it can be constructed for 15 -160 square meters.