Prison fence is the combination of ordinary wire mesh series and Blade barbed wire mesh. The Blade barbed wire mesh is a new type of wire mesh fence.Sharp galvanized steel or stainless steel pointed thin sheet are made into Blade barbed wire and steel wire as its wire. 1 materials superior quality low carbon steel wire,carbon steel pipe, galvanization canal. 2 Craftsmanship, Galvanized steel plate or stainless steel plate punched into certain forms then attached to the steel wire in sharp angle to form the blades. Sharp blades coming in the form of concertina by buckles bring very good result of frightening and stopping to the aggressive perimeter intruders. Razor wire is divided into spiral, straight line and crossed spiral types. 3 Advantages The products offer beautiful appearance, economic cost, good frightening result and easy installation. Grid structure, convenient transportation, simple installation,good protective performance, no topography restrictions. This product is strong and durable, Suitable for large area. 4 Applications Widely used in military field, prisons, detention houses, security zone, nuclear power station, airport, frontier, government buildings and other national security facilities. Also fencing of residences, villa wall and windows, express way, railway, national border lines, etc. 5 Generally specifications, The mesh size is 50mmx50mm. The post is 60.2mmx2.5mm round tube "V" shape support will be welded(or cliped) at the top This product is all hot dipped galvanized airport fence and then electrostatic powder coated(considering about the cost ,elctric dipped galvanized and then heavy PVC coated is also acceptable) The longevity will be 10 years long; The fence top will be put hot dipped galvanized razor wire(stainless steel material is also available),which will enhance the safety and also looks beautiful,6 lines of barbed wire or galvanized wire will support the razor barbed wire.