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Establishment of Filyos Ates Tugla was in 1938 by Sümerbank for compensating Karabuk Iron and Steel Factory's alumina silicate need and after 2.World War in 1945 it has founded and started its first experience production in 1949. The main row material was shale in foundation years and the main energy sources were electricity and coal together.The main raw material was shale in foundation years and the main energy sources were electricity and coal (from Catalagzi) by being on the way of Zonguldak-Karabuk-Ankara railway were the main reasons for selecting Hisarönü (Filyos) for establishment.At first the capacity was 14.000 tons/year which was established by Kain Robert Aebi U.Co. (Switzerland), than in 1932 it reached 25.000 tons/year and in 1957 28.000 tons/year i…