日科化学：累计回购约501万股

Group 1 - The company, Rike Chemical, announced a share buyback plan to repurchase approximately 5.01 million shares, which represents 1.08% of its total share capital of approximately 465 million shares, with the buyback to be conducted through a centralized bidding method by July 31, 2025 [2] - For the fiscal year 2024, Rike Chemical's revenue composition is as follows: PVC modifiers account for 95.37%, other products account for 3.72%, and internet data services account for 0.91% [2]