Sponge Iron Characteristic: 1.Sponge iron using high quality ore, the reduction reaction by using the principle of oxidation, through the filter type except Lake way to exclude, pipelines, boilers and circulating water corrosion of dissolved oxygen is processed by water water dissolved oxygen content can reach below 0.05mg/L. 2.It has a large specific surface area, developed pore structure. 3.High activaty, high compressive strength and the backwashing frequency is low. 4.No powder, no hardening.