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In May 1990, COSEL established U.S. ELCO, INC. (currently COSEL U.S.A., INC.) in San Jose, California, targeting Silicon Valley, where the high-tech industry and venture companies are concentrated. COSEL USA, Inc. specializes in the design, manufacture, and distribution of high-quality power supplies and power management solutions. As a subsidiary of COSEL Co., Ltd., a global leader in power supply technology, COSEL USA plays a crucial role in providing reliable and efficient power solutions to customers in the United States. COSEL USA offers a diverse range of power products designed to meet the demanding requirements of various industries. Their product portfolio includes AC/DC Power Supplies, DC/DC Converters, AC/DC Configurable Power Supplies, Power Modules, Power Accessories and Components, and many more.