July 21 (SeeNews) - Croatian power transformers manufacturer Koncar Distributivni i Specijalni Transformatori Koncar D&ST [ZSE:KODT, KODT2] said on Thursday its net profit reached 55.6 million kuna ($7.5 million/7.4 million euro) in the first half of this year, up from 38.3 million kuna in the same period of last year.