... recycle use environmental-friendly 3.waterproof,fireproof,heatproof,windproof,soundproof STEEL STRUCTURE WAREHOUSE1.good-look and can save much space, ... .fireproof, waterproof and heat insulation.6. you can choose how many floor you want, such as two floor and three floor ... thickness. The steel structure:The main steel is hot-roll H-style steel or welded H-style steel, C-style steel. LoadingA..If you ...