有研新材：9月19日召开董事会会议

Group 1 - The core point of the article is that Youyan New Materials (SH 600206) held a temporary board meeting on September 19, 2025, to discuss a proposal regarding equity investment in Rongcheng Rare Earth by Youyan Rare Earth and Zhukou Group [1] - For the fiscal year 2024, Youyan New Materials' revenue composition is as follows: electronic new materials account for 74.79%, rare earth metal smelting accounts for 23.86%, medical device materials account for 0.87%, and other businesses account for 0.47% [1] - As of the report date, Youyan New Materials has a market capitalization of 17.8 billion yuan [1]