Razor wire also called concertina razor wire, as an upgraded security products of traditional barbed wire, has enhanced level of security and safety. It can be used individually along the wall or the top of the buildings to form a certain obstacles against intruders. It is also popularly used along the top of the metal fences offering strengthened barriers with sharp blades and barbs.Razor wire is made by hot-dipped galvanized blade or stainless steel blade, high tensile strength core wire( steel wire with 1200mpa tensile strength or stainless steel wire).