---
title: "GUOFENG: Trial operation of the electronic-grade polyimide film production line has commenced"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/240546411.md"
description: "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"
datetime: "2025-05-16T09:58:02.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/240546411.md)
  - [en](https://longbridge.com/en/news/240546411.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/240546411.md)
---

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

According to the Zhitong Finance APP, GUOFENG (000859.SZ) announced that the company plans to build 5 production lines for electronic-grade polyimide film materials, including 1 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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