润禾材料：11月21日召开董事会会议

Group 1 - The core point of the article is that Runhe Materials (SZ 300727) announced the convening of its fourth board meeting on November 21, 2025, to discuss various proposals, including the agenda for the fifth extraordinary general meeting of shareholders in 2025 [1] - For the fiscal year 2024, the revenue composition of Runhe Materials is reported to be 99.98% from chemical manufacturing and 0.02% from other sources [1] - As of the report date, the market capitalization of Runhe Materials is valued at 5.9 billion yuan [1]