Steel warehouse: 1.over 30years life 2.recycle use and easy install 3.waterproof,fireproof,heatproof,windproof,soundproof STEEL ... LoadingA..If you choose EPS panel materialof this warehouse,300 square meters can beloaded in one40feet shipping ... container. B..if you choose steel sheet material of this warehouse,900 square meters can be loaded ... the best service. YAODA PRIZE WALL steel warehouse