... :1.Stable Frame:Light and flexible frames provide safe and fulfill requirements. 2.Easy to assembly&disassembly:Several reuse, simple ... usage is about 10 years. 7.Environmental friendly:Professional design, easy installation, recycle using, no construction craps. Its ... headquarters, shop, dormitory, park, school, hospital, exhibition, and gas station.Technical Parameters:A)Overall weight:50~60kg/sqmB ...