yoen electric co., ltd. was building in 1994. it is a factory specificalizing in transformers, reactors and voltage stabilizers products used to controlling voltage. yoen electronic is an internationally recognized name brand for the transformers. based on excellent technical background and the resources, we ceaseless develop new products related to electricity so as to satisfy customers' critical needs today. we persist in quality. through our abundant experiences and technology, we make each yoen series product with excellent performances.