Hinoday for the last 40 years is the manufacturer of ferrites and ductile iron castings. E shaped cores are primarily designed for the manufacture of transformers and also inductors. They are also found to be suitable for low frequency transformers, pulse transformers, magnetic amplifier and smps. E-cores are made from material grades having high permeability, high saturation inductances and low losses. Gapped crores also can be made available as per the design requirements.