The concertina barbed wire is barrier equipment, which is made of hot-dip galvanized steel sheet or stainless steel sheet punched out of sharp blade shape, high-tensile galvanized steel wire or stainless steel wire as the core wire. Because of the unique shape of the gillnet and it is not easy to touch, it can achieve an excellent protective isolation effect. Service Life 5-10 years Quality Standard ISO9001 Length 20m/25m/30m/50m…