瑞丰高材：8月25日召开董事会会议

Group 1 - The company, Ruifeng High Materials, announced the convening of its sixth board meeting on August 25, 2025, to review the agenda including the "2025 Semi-Annual Report" and its summary [1] - For the year 2024, the revenue composition of Ruifeng High Materials is as follows: PVC additives account for 94.35%, engineering plastic additives account for 5.33%, and others account for 0.31% [1]