Dongyangguang Magnetic Materials has four types, including Mn - Zn power ferrite, Mn - Zn high - permeability ferrite, Ni - Zn ferrite, and Fe - Si - Cr alloy. It is mainly used in inductors and transformers. It is the largest soft magnetic material manufacturer in Guangdong Province, with the advantages of high - efficiency, stable, and high - quality supply, and leads the industry in power wide - temperature materials and high - permeability high - Curie temperature materials.