This economic one floor pre-manufactured steel frame building total area is 132.50 square meters with 8 rooms for restaurant,workshop,office,garden studio,dormitory,hotel,shop;It can be installed with 4 - 5 construction workers in 5 - 7 days. You also can customize its area size, appearance and layout base on this house, and this building can be used normally at lease 20 years without any maintenance.