瑞丰高材：赵子阳辞去公司董事会秘书职务

Group 1 - The core point of the article is the resignation of Zhao Ziyang as the Secretary of the Board of Directors of Ruifeng High Materials due to personal reasons, while he will continue to hold other management positions within the company [2] - For the fiscal year 2024, the revenue composition of Ruifeng High Materials is as follows: 94.35% from the PVC additives industry, 5.33% from the engineering plastics additives industry, and 0.31% from other sources [2]