Guofeng new materials (000859.SZ): Feed trial of electronic grade polyimide film production line.

Chinatung Finance and Economics APP news, Guofeng New Materials (000859.SZ) announced that the company's electronic grade polyimide film material project plans to build 5 electronic grade polyimide film production lines, including one chemical production line for electronic grade polyimide film ("chemical production line"). On May 16, 2025, the chemical production line successfully started trial production.