Barbed wire can be used as the protection net in industry, agriculture, animal husbandry, dwelling House, plantation of fencing, grass boundary, railway, highway, etc. Category: 1) Black annealed iron wire 2) Electro galvanized iron wire 3) Hot-dip galvanized iron wire Advantage: 1. Good protection effect 2. Anti-aging 3. Economical, practical 4. Good corrosion resistance