Refractory Bricks, Magnesia Brick, Insulating Bricks manufacturer / supplier in China, offering Durability Corrosion Resistance Magnesium Aluminum Carbon Upper and Lower Nozzle Continuous Casting Refining Molten Steel Ladle Nozzles Slide Plate, Corrosion Resistance Magnesium Aluminum Carbon Zirconium Based Materials Upper and Lower Nozzle Continuous Casting Sizing Molten Steel Ladle Nozzles Slide Plate, High Temperature Magnesium Aluminum Zirconium Upper and Lower Nozzle Continuous Casting Refining Molten Steel Ladle Slide Plate Flow Control Stopper Rod and so on.