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Çolakoğlu started its iron and steel business in 1945 with the steel business of our founder Mehmet Rüştü Çolakoğlu in Karaköy. Çolakoğlu commissioned its first rolling mill in 1960 in Sütlüce, again in Istanbul. The first meltshop started production in Dilovası in 1969 to meet the billet requirement in the country. Reinforcing its pioneering position in the sector by producing wire rods in the private sector in 1985, Çolakoğlu Metalurji added ribbed rebar to i...