Concertina coil
Concertina coil Concertina coil is the best defense tool. And we are concertina coil manufacturer. We at Shri Shyam industries manufacture the best concertina coil. Concertina coil is very important for protecting your areas. These wires are used in military areas and government restriction areas. Because it's very dangerous to use in houses. But now this time, Concertina coils are designed in many types. Some concertina coils are very dangerous to use in the house they are designed for military areas and some concertina coils are not very dangerous so, these concertina coils are used in farmhouses, properties, houses, etc. Who invented the concertina coil? Concertina coil is an updated version of barbed wire. In the 1930s German Horst Dannert developed a concertina coil with high-grade steel wires. And concertina wires are more dangerous than barbed wires. Barbed wires have single-layer wires and it contains not very sharp blades. But c...