Barbed wire is an isolation and protection product twisted and woven by a fully automated barbed wire machine. It is commonly known as caltrops, barbed wire, and barbed wire. It is mainly made of high-quality low-carbon steel wire, and is made through surface treatment processes such as electrogalvanizing, hot-dip galvanizing, plastic coating, and plastic spraying. It has a variety of colors such as blue, green, and yellow.