... Prefab house 1)Excellent design & strong stability 2)Beautiful & Eco-Friendly 3)Fast installation 4)Reusable and cheap 2 stories recycling portable prefab ... -class light steel villa,low costlight steel villa,warehouse,workshop,roof tile,sandwich panel,fencing,guardrail,etc ... usage is about 10 years. 7.Environmental friendly:Professional design, easy installation, recycle using, no construction craps. ...