润禾材料：8月11日召开董事会会议

Group 1 - The company, Runhe Materials, announced the convening of its fourth board meeting on August 11, 2025, to review the semi-annual report and its summary [2] - For the year 2024, the revenue composition of Runhe Materials was 99.98% from chemical manufacturing and 0.02% from other sources [2]