1.over30years life 2.easy install and recycle use environmental-friendly 3.waterproof,fireproof,heatproof,windproof,soundproof STEEL STRUCTURE WAREHOUSE1.good-look and can save much space, make best of the space.2.It's customized design, you can choose what size you want.3.Compared with the normal warehouse, it's more cheaper. It will save your more money.4.reusable, easy installation and short- ...