Osco is a leading  supplier for all types of Refractories for Ferrous and Non ferrous industries mainly for Aluminum smelter industry for years, we are specialized in the followings:
• refractory,
• Poros Insulating Brick
• silicon carbide block,
• Silicon Carbide Nitride Bond Brick (N-Sic)
• insulation brick,
• Calcined Silicate Board
• carbon anode,
• carbon cathode,

• Cold Ramming Paste