Silicon infiltrated silicon carbide (SiSiC) SISIC desulfurization spray nozzles are key parts of whole set of desulfurization in firepower electric power station, big boiler with good characteristics such as high strength, high hardness, violence corrosion resistance, hard wear resistance, high temperature resistance, long life time under bad working condition . The SISIC spray nozzles we manufactured are approved by many end user for good uniformity spray liquid, flow passage unobstructed, and well performance.