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National Silicon Industry Group, based in Shanghai, focuses on silicon materials and wafers for the semiconductor industry.
Founded in 2015 and based in Shanghai, China, National Silicon Industry Group Co., Ltd. focuses on silicon materials for the semiconductor industry. Its subsidiary Okmetic makes customized, high-value silicon wafers, including MEMS wafers, and has mass production capability for 200mm wafers. The company was listed on the Shanghai Stock Exchange under ticker 688126 in April 2020, and in December 2025 it raised CNY 2.1 billion in a PIPE transaction.
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