... pressed extruded aluminium 6005 T5,high quality, strong and durable;Unitized structure can be built up according ... be easy to install on lawn, asphalt, concrete and so on;The span of our tents from 3m ... materials on surface, PVC fabrics have self-cleaning function;Long life. Accessories: Lining and curtain, Glass door units, ... trade fair, celebration, sports event, temporary warehouse and workshop.