Razor barbed wire, also called razor wire, is the upgraded product of traditional barbed wire. I t is more and more popular with high protective ability and isolating power in recent years. The material of the blade is galvanized steel sheet or stainless steel sheet and the wire core is galvanized middle-carbon steel wire or stainless steel wire. The advantages of razor barbed wire are aging resistance, beautiful, easy to install, difficult to destroy, etc. It is mainly used in important warehouse, mine, farm, pasturage, airport, prison, frontier defense, national defense, etc. Our products have already been ratified by customers in the world. Concertina Wire is manufactured using a central core of high tensile wire around which a tape of razor sharp barbs is machine crimped. RaMeiJu concertina wire is very strong and reinforced with a steel coil which makes it very hard to bend while the barbs have a piercing and gripping action. Generally used for fencing borders for security purposes.