Since our establishment in 1969, COSEL has been contributing to our customers and the development of society by providing products and services, mainly in the area of regulated DC power supplies. Based on COSEL's core manufacturing, we have promoted our worldwide business with the aim of becoming recognized as a truly global company of choice in every region of the world in the field of power electronics.
We would like to extend our sincere gratitude for your tremendous support and guidance in this endeavor.

COSEL is poised for further growth, committed to continuing to create the value that customers seek, centered on power conversion technology and through providing new products and services.
Continuing into the future, we are committed to giving increasing consideration to environmental issues, responding vigorously to uncertainties by striving to further deepen our core competencies and utilizing dramatically evolving digital technologies to achieve speedy and flexible solutions in order to remain an essential company under our management philosophy of "With quality supremacy at our core, living up to the trust that society places in us".

Moreover, we are continuously striving to create a workplace where each and every employee can fully demonstrate his or her potential, while building an autonomous organizational structure that can quickly and flexibly respond to changes in the environment.

We sincerely appreciate your continued support and encouragement.