Donut Technologies was established in the year 2010. Within 3 years, this company has become a leading & appreciated manufacturer, exporter and O E M supplier of Voltage stabilizer and there spare parts i.e Toroidal Transformer, Toroidal Core (CRGO), Variacs, Micro processor based Control Cards and Relays. This entire range of products is checked with various quality tests to assure a perfect range to the customers.
Toroidal cores are manufactured by us from fine quality CRGO steel (1kgs to 50kgs per piece). Our core is featured with high maximum flux density, high permeability & low core losses. Variety of sizes and grades of this material available as per the requirements of the customers.