Valjaonica bakra Sevojno AD started production in 1952.
The first rated capacity was 25.000 tons per year. During later development stages, the capacity was raised to 60.000 tons per year, out of which rolled semi-products accounted for app. 60%, and extruded and drawn to app. 40%. The factory grew into the largest processor of copper and copper alloys of former Yugoslavia, ranking thus to category of renown producers of scale in Europe and worldwide.