... provide supply chain service in the region of Greater China, and face all over the world. With excellent field application engineers and ... sales team, we can help you the most suitable design. Now we work with well-knowed customers, such as LG, ... Samsung, Siemens, Epcos, Osram, Chimei, ZTE. We have Cosel Whole product line DC-DC Converter, AC-DC Converters, AC-DC ...