Keeping up with the world’s most innovative designs is one of the goals that KELM always strive to achieve with the help of successful brands such as Elprom Trafo which is a manufacturer of oil-immersed transformers, with a long-standing experience and over 50 years of history, a rich product gamma, international awards and diplomas,
as well as a Gold medal for best energy efficient transformer from the International technological fair Plovdiv. “ELPROM TRAFO CH” has an accredited laboratory according to IEC 17025. The plant manufactures the full gamma of three-phase oil-immersed distribution transformers with capacity rate from 25kVA up to 10MVA.