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Omnisun develops chrome mask blanks and other mask substrate materials.
Founded in 2003 and based in Changsha, China, Omnisun manufactures chrome mask blanks using sputtering and spin-coating processes. Its products serve flat panel displays, integrated circuits, fine optics and circuit boards, and are exported to Europe, America, Japan and South Korea. In November 2025, it raised Series B+ funding from ABQH Shenzhen Investment Fund Management and Hunan High Speed Private Equity Fund Management Co., Ltd.
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