Refractory Bricks, Magnesia Brick, Insulating Bricks manufacturer / supplier in China, offering Clay Refractory Brick with Low Porosity for Economical Furnace Lining in Medium Temperature Thermal Equipment, High Strength High Alumina Brick for Iron-Making Hot Air Stove Dome and Combustion Chamber Refractory, Insulating Fire Clay Brick with Low Thermal Conductivity for Heat Preservation Layer of Industrial Furnace and Kiln and so on.