... .Manufactory 4.Material:low/high carbon wire Our factory products high quality concertina razor barbed wire razor barbed wire,razor barbed wire, razor wire, is made of iron wire and iron sheet.The reference ... professionals.concertina razor barbed wire Material : Galvanized or stainless steel etc.Barb types: BTO-10, 12, 18, 22, 28, 30, CBT 60, 65 etc. Razor Blade ...