... ) Durable,light weight 3) Easy to install and move 4) waterproof & anti-seismic Detailed explanations ... quakeproof, waterproof, windproof, moisture proof, heat preservation and sound insulation.Specifications: ComponentsMaterialsGround Beam8# C steelPillarDouble ... customers' request Supporting FacilitiesToilets, wash basin, aircondition, socket, switch and othersas per customers' request "A" Shape Beam ...