Shandong Qingdao REFRACTORIES Co., Ltd is a big group who incorporates mining, manufacturing, researching and developing of refractories in the steel, cement, non-ferrous metals, construction, glass, industries etc. All the technical equipments and inspect methods meet the highest international ISO standards and quality guarantee systems. Refractory products: Fireclay Bricks, High Alumina Series, Insulating bricks, mullite insulating bricks, Silica Based Series, Continous casting Refractories, Magnesias Based Products, Magnesia Brick Rich in CaO, Magnesia-Carbon Products, Mullite Products, Corundum Products, SiC Products Castable Refractory, Gunning Mixes, Ramming Mixes etc. Refractory Raw Materials: Hard Fireclay Chamotte, Sintered Mullite, Magnesite-Dolomite Clinker, Common Magnesite, Bauxite, SiC, Corundum, Light Weight Aggregate, etc. .