瑞丰新材：中国石化集团资本有限公司计划减持公司股份不超过约296万股

Group 1 - The core point of the article is that China Petroleum & Chemical Corporation plans to reduce its stake in Ruifeng New Materials by up to approximately 2.96 million shares, which represents a maximum of 1% of the company's total share capital [1] - China Petroleum & Chemical Corporation currently holds about 36.04 million shares in Ruifeng New Materials, accounting for 12.18% of the total share capital and 12.41% when excluding shares in the repurchase account [1] - The planned reduction will be executed through centralized bidding transactions [1]