Hengxin prefab houses include light-steel prefab houses and steel structures. They are widely used in temporary offices and dormitories, workshops, warehouses, mess halls, carbarns, sentry boxes and villas etc. 1)Prefabrication, easy to install and disassemble2)Precision works, long life-span for use: 8-10 years3)Lightness, easy to transport and relocate4)Using several times and recycling, economy and environment protecting 5)High strength and stiffness, high weight bearing6)Waterproofing7)Antisepsis and damp proofing8)Sound insulation and heat insulation9)Fireproofing level: A110)Earthquake proofing: 7 11)Wind load: 110km/h.