Refractory, Nickel Alloy, Refractory Castable manufacturer / supplier in China, offering Hitech High Strength Refractory Magnesia Carbon Refractory Material High Strength Brick for Melting Zone, Hitech Refractory Magnesia Carbon 97MGO Furnace Brick for Ladle Furnace, Hitech High Temperature Refractory High Quality Mg92 Magnesia Sintered Brick and so on.