IRPPCO with private ownership established on 1976 and is the member of Iranian Refractory Industries Assosiation , IranMineHouse and Iron and Steel Organisation of Iran. Main activity of this company is exploration, exploitation, ore processing, producing, research and development, import and export of Refractory Minerals. Since 1993 we are leading producer of refractory grade Dead-Burned Magnesia for related industries. In order to meet and accomplished our client`s requirements, on 2004 expansion project of the plant came into operation and the production capacity increased to 40,000 Mt Dead - Burned Magnesia and High Iron Sintered Magnesia in various grades from 88% to 97% MgO content and 25,000 Mt Caustic Calcined Magnesia. Magnesia Base Refractor Clinkers are produced in various grades based on user`s application and include Mag- Doloma, High Alumina Spinel and Mag - Chromite. Furthermore we produce Doloma in the form of Calcined and Dead-Burned according to application. Other industrial minerals for tile and ceramic, such as ball clay, fire clay, industrial clay are produced and delivered by our sister companies Suravajin Aghigh & Industrial Co and Semirom Refractory Mining Co.