Barbed wire is zinc-coated steel strands twisted together with barbs spaced regularly along them. It is an inexpensive fencing option making it the most commonly used material for securing large areas.Application areas: Military zones, airport, private properties, forests, border security,private security zones, farms houses, gardens, open lands ,a cost-effective way to secure large areas for defense or to keep livestock in. Material: galvanized, stainless steel, PVC coating. Hebei Zhengyang Wire Mesh Products Co.,Ltd has stainless steel concertina wire. Our factory produce stainless steel concertina wire process is divided into four steps: first, welded; second, make folds or curves; next, Parkerizing; at last, electro or hot galvanized/spraying/PVC coated-packing.