瑞丰高材：持股5%以上股东桑培洲持股降至5%以下

Core Points - Shareholder Sang Peizhou has reduced his stake in Ruifeng High Materials to below 5% due to passive changes and active reduction [1] - As of November 3, Sang holds 12.52124 million shares, representing 4.999966% of the total share capital, thus no longer being a major shareholder [1] - From October 28 to November 3, Sang reduced his holdings by 490,000 shares, accounting for 0.1957% of the total share capital, with an average reduction price of 11.24 CNY per share [1] - The reduction plan has not been fully executed and will not affect the company's governance and operations [1]