久日新材(688199.SH)：参股公司正在进行固态电池相关方面的研发
Tianjin Jiuri New Materials (SH:688199) Ge Long Hui·2025-08-06 08:31Group 1 - The core point of the article is that Jiuri New Materials (688199.SH) has announced that its affiliated company, Tianjin Plana Nano Technology Co., Ltd., is engaged in research and development related to solid-state batteries [1]