The selecting catalytic reduction technology that our company adopted for De-NOx projects is advanced in the world field of power station De-Nox. Through placing SCR reactor at the downstream of boiler flue gas in coal and oil fired power plants, nitric oxide would be transformed into harmless nitrogen and water with the help of catalyze. Products on the basis of this technology occupied 98% of this field and took the first place of advanced countries De-NOx technology.