... of DRY TRANSFORMERS, 5 kVA – 1600 kVA 6/0.4 kV - REPAIRS of oil or dry electric transformers 25 kVA – 40,000 kVA - revitalizations, re-certifications, rewinding, modifications of electric transformers - service, maintenance of transformers in substations - supply of spare parts for electric transformers - installation of power transformers in substations - repairs and upgrades of TRANSFORMERS for ELECTRIC LOCOMOTIVES. Being certified by A.N.R.E. - National Authority for Energy Regulation, we have a Testing Laboratory.