We have a variety of shapes, specifications of the hood, cowl head nearly a hundred kinds of for the user to choose. Also can be made specially according to the drawings provided by the user. The company produces a variety of styles of heat-resistant steel hood for 850 DEG C to 1150 DEG C all pyrite and zinc concentrate sulfuric acid boiling roasting furnace. It combines heat resistance, corrosion resistance and excellent performance, for sulfuric acid production of the continuous, stable and provides a reliable guarantee.