EU Copper Industry Structure - European Copper InstituteThe structure of the EU copper industry comprises three distinct sectors - miners, copper producers and semi-fabricators. The number of companies who operate in all three of these sectors is extremely limited.copper mills europr,Valjaonica bakra Sevojno: Добро пожаловатьWelcome to Valjaonica bakra Sevojno. Valjaonica bakra Sevojno AD is a leading producer and supplier of copper and copper alloys on Southeastern Europe scale. Majority of products is placed to markets abroad (87%), primarily to the Western European markets. Our semi-products are widely used in mechanical and.