Razor wire ,ISO9001 factory Material: iron wire,steel wire,stainless steel wire,steel strip Type:BTO-10,12,18,22,30 CBT65 Razor wire/Concertina Razor Wire/Razor wire fence/Razor Barbed WireMaterial :hot dipped galvanized steel plate and hot dipped galvanized steel wireProcessing technic :stamping , weldingRazor type :Concertina Barbed Tape (CBT); Barbed Tape Obstacle (BTO)BTO-22 , BTO-15 , BTO-10 ...