... castable, Silica castable, Mullite castable, Corundum castable.Refractory raw material: The chamotte, Calcined flint clay, Calcined kaolin, Sintered ... our company:Our company ZHUOYUE CO.,LTD is the specialized manufacturer and exporter of insulation and refractory ... raw material, primarily export to Europe, east Asia, southeast Asia, America, Middle East, Australia and Africa. Refractory materials for ...