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Entering Dongbao Biotechnology
Modern collagen Biotechnology Enterprises
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Collagen Peptide
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Baiyun Brand Calcium Biphosphate
Raw material bone collagen peptide powder
Gelatin Made from Jinlu Brand Bone
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Preparation of chitosan oligosaccharide / sodium alginate / gelatin nanofibers based on spiral elect
Date：2020-12-07 | Visits：
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