Galfan wire is made of carbon steel or iron. Its surface treatment is special. Galfan wire is coated by the 5% aluminum and 95% zinc. This kind of surface treatment makes it enhanced corrosion resistance greatly. So it is widely made into gabion baskets used in river bank. The surface treatment also make it has smooth and shiny surface. Galfan wire with high elongation strength is not easy to be broken. And galfan wire with good softness and flexibility can be bent into various shapes to meet different needs. Just like galvanized wire, it also has high bearing capacity.