现货大量供应烘干维生素B12蛋白（蛋白55，氨基酸50，价格便宜），In Stock: Dried Vitamin B12 Protein (Protein 55, Amino Acid 50, Cheap Price)

现货大量供应优质烘干维生素B12蛋白。 核心指标： 蛋白含量：55 氨基酸：50 工艺：烘干直提 产品优势：价格便宜，性价比极高，质量稳定。 适用领域：广泛用于饲料添加剂、养殖等行业。 欢迎各大饲料厂、贸易商、养殖户来电洽谈，量大从优！Large stock of high-quality Dried Vitamin B12 Protein available for immediate supply. Specifications: Protein: 55 Amino Acid: 50 Process: Dried Direct Extraction Advantages: Competitive price, high cost-effectiveness, and stable quality. Applications: Widely used in feed additives and animal farming. Welcome feed mills, traders, and farmers to contact us for details and bulk orders!