As many as 15 Iranian companies took part in the 21st Azerbaijan International Construction Exhibition “BakuBuild 2015”, which was held in Baku, Azarbaijan, 21-24 October. IRNA quoted Amir Zarand, head of Ojan International Company and the organizer of the event as saying on Wednesday that the expo was a good opportunity for Iranian companies to showcase their quality products including cement, tile, ceramics and other construction materials. More than 150 companies from 30 countries participated in the event.