花园生物：公司销售的产品为饲料级胆固醇

Group 1 - The core viewpoint of the article is that Huayuan Biological clarified its product offerings, stating that it sells feed-grade cholesterol and does not involve premixes [2] Group 2 - The company engaged with investors through an interactive platform to address inquiries regarding its product line [2] - The clarification aims to provide transparency about the nature of the products sold by the company [2]