WeEn Semiconductors, founded in 2015 in Shanghai, China, makes power semiconductor devices including thyristors, diodes and SiC MOSFETs.
Based in Shanghai, China and established in 2015, WeEn Semiconductors Technology Co., Ltd. manufactures semiconductor components, including silicon controlled rectifiers, thyristors, fast recovery diodes, TVS, ESD and IGBT products, as well as SiC MOSFETs. Its products serve consumer electronics, industrial manufacturing, new energy and automotive markets. The company was listed on the National Equities Exchange and Quotations in 2023, and CEO Markus Mosen has 20 years of experience in semiconductor operations and product line management. In December 2025, GuoxinMicro agreed to acquire up to 100% of the company.
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