Tensile Membrane Structure,Cover,Canopy at least 15 years duration,protect against fire,wind,ultraviolet FOB: USD 25 Material:ECO,PVC,HegtexFeature: more freedom of building physical shape Better cost-effectiveness A shorter construction style Lower energy losses Greater span of the building spaceMembrance Structure types:1,tensioned membrance structure;2,membrance skeleton structure;3,inflatable ...