SARAJEVO (Bosnia and Herzegovina), June 24 (SeeNews) – Dutch company NN International B.V. has acquired 79.22% of Bosnian steel rolling mill Unis Valjcici [SAJ:VALCRK1] in a bourse transaction for slightly over 14 million marka ($9.7 million/7.2 million euro), Raiffeisen Bank, which was in charge of the transaction, said on Tuesday.