Cobral supplies non-ferrous semi-finished products ideal for the production of electrical transformers, obtained from raw materials with high original conductivity values. Cobral holds the UNI EN ISO 9001:2008 Quality Management System Certification and processes only aluminum and copper supplied in compliance with the relevant UNI EN standards: UNI EN 485/2 485/3 485/4 UNI EN 573-3 UNI EN 14121 and UNI EN 13599.