Concertina coil has traditionally been used in high security areas such as borders, airports, army cantonments etc but of late it has gained great popularity and are now used in almost all manufacturing industries to prevent encroachment and subsequent thefts. Due to the structure of the coil, encroachment is very difficult and adds great safety to your property. http://www.evershinedynacorp.com/concertina_coil.html
