Copper wire is a kind of metal material, in life, practical copper wire as a conductor. Good electrical conductivity, a large number of used in the manufacture of wires, cables, brushes, etc. Good thermal conductivity, commonly used to manufacture magnetic instruments, instruments, such as compasses, aviation instruments, etc. Excellent plasticity, easy to hot press and cold pressure processing, can be made into tubes, rods, wires, strips, belts, plates, foils and other copper materials. Pure copper products have two kinds of smelting products and processed products.