my company produce the barbed wire is made up Galvanized steel wire, PVC coated iron wire in blue, green, yellow and other colors.

General Use: Barbed wire mainly serves in protecting of grass boundary, railway, highway, etc.

razor wire 

Razor barbed tape is a kind of modern security fencing materials fabricated with razor-sharp steel blade and high-tensile wire. Barbed Tape can be installed to achieve the result of frightening and stopping to the aggressive perimeter intruders, with piecing and cutting razor blades mounted at the top of the wall, also the special designs making climbing and touching extremely difficult. The wire and strip are galvanized to prevent corrosion.