General purpose power distribution transformers, industrial control and other more specialized designs were gradually added to the product line during the '40s, and '50s. More recent products include reactors, constant voltage transformers, K - Rated transformers, transformer lighting disconnects and related products.
Today, Dongan combines their 90 year history of specialty transformer manufacturing expertise with a complete catalog of stock transformers for the distributor, OEM and MRO markets. With facilities in Michigan and Ohio, Dongan is a major supplier of dry-type, industrial control, residential and industrial ignition, motor drive isolation, and CE Marked transformers to customers throughout North America. They are proud of their heritage and look forward to serving their customer base into the new millennium.