... barbed wire with the high tension.Double twist barbed wire materials: hot-dipped galvanized wire, electro galvanized wire, PVC coated wire, steel wire and so on.Double twist barbed wire ... in railway, airport, high protection areas.Barbed wire is relatively cheap and moderately effective. The barbs are ... 3-11,F District,Wire Mesh World,Anping,Hebei,China Double Twist Barbed Wire (DIRECT FACTORY)