1.Energetic conservation and environment protection 2.Simple,generous,with great visual enjoyment 3.Low ... house(2 stories) :1.Stable Frame:Light and flexible frames provide safe and fulfill requirements. 2.Easy to assembly&disassembly:Several ... such as office, headquarters, shop, dormitory, park, school, hospital, exhibition, and gas station.Technical Parameters:A)Overall weight:50~60kg/sqmB ...