Leader in power and distribution transformers, the brand Stem trafo stands for trustworthiness and reliability, thanks to the great experience in designing and  construction and to a rigorous quality control in the choice of components and suppliers. With the constant updating of technologies it ensures a market  dynamism which consent the brand to meet even the most particular customer needs. www.stemtrafo.com • Controls to your factory • Instrumental analysis • In plant intervention • Mineral oil analysis • Special and custom products • Our strenght