MgO, MgO-C, MgO-Cr2O3, MgO-ZrO2, Alumina-Silica, Mullite bricks for kinds of steel/iron/aluminium making furnaces lining We ... are producer and supplier for kinds of insulation bricks including Fireclay type, perlite type, mullite type, similiar-mullite type ... of MgO, MgO-C, MgO-Cr2O3, MgO-ZrO2 for EAF/LF furnaces.We can produce and supply SiC-SiN bricks, insulation boards, castables ...