Concertina Wire

The bellows-shaped steel plate is made of good quality metal or non-metallic steel, and the bellows-like leaf piece is formed into a spiral shape, and after expansion is formed into a tightly round pillar-shaped screen. Each piece of the puzzle is designed with the utmost care, and the strength of its strength is determined by its ability to overcome or break through without any legal restrictions, and to create a general with a heavy weight of success. Various types of iron can be designed and used, and the wall can be installed independently. The silver book can be expanded quickly, covering a large area. It is corrosion resistant, durable and durable even under adverse weather conditions, and has no demand.