The North Adriatic Fair, which will last in Rijeka until 24 October, pooled some 335 exhibitors from about 20 countries.
The Rijeka event also includes a fair of new technologies, an exhibition of pottery, an exhibition of inventions and some other accompanying events.
The ninth international SASO fair, which will also last until 24 October, brought together 1,200 domestic and foreign exhibitors from 12 countries.
The event consists of several fairs of construction, timber and metal processing industry, crafts, entrepreneurs, power and telecommunications.