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Oriental Semi, based in Suzhou, China, designs semiconductor devices including IGBTs, SiC devices and GreenMOS and SFGMOS transistors.
Established in 2008 and based in Suzhou, China, Oriental Semi focuses on semiconductor device technology and product R&D. It invented the world's first Semi-Floating Gate Transistor in 2012, and its IGBT entered mass production in 2019. Its products include high voltage GreenMOS, SiC devices and medium and low voltage SFGMOS, serving power system and memory applications. In May 2025 Oriental Semi, a portfolio company of Oriza Holdings, ZTE Capital and other investors, acquired a majority stake in Dianzheng Technology; financial terms were not disclosed.
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