Warehouse tent 20x40m _Warehouse tent frame:aluminum _Warehouse tent roof:PVC _Sidewall:sandwich penael _Used storage goods ——Warehouse tent for storage 20x40m : tent width/span: 3-30m the length is No Restriction side height:2.5-4mroof height:3.5-9m——Warehouse tent for storage 20x40m Frame :use hard perssed extruded aluminum——Warehouse tent for storage 20x40m Tent Fabric : double PVC coated ...