
GUOFENG: Trial operation of the electronic-grade polyimide film production line has commenced

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According to the Zhitong Finance APP, GUOFENG announced that the company plans to build 5 electronic-grade polyimide film production lines for its electronic-grade polyimide film material project, of which 1 line is a chemical method electronic-grade polyimide film production line ("chemical method production line"). On May 16, 2025, the chemical method production line successfully commenced trial production
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