胜利股份：公司持有山东胜利生物工程有限公司45%股权

Group 1 - The company holds a 45% stake in Shandong Shengli Biological Engineering Co., Ltd., which operates in the pharmaceutical manufacturing industry [2] - The primary focus of Shandong Shengli is on bio-fermentation technology, producing animal-specific antibiotic raw materials, formulations, and feed additives [2] - The products are mainly applied in both terrestrial and aquatic animals [2]