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- Food Grade Bovine Collagen
- Collagen is a kind of protein made up of amino acids, which can be made from bovine skin, bovine bone, fish skin, fish scale, pork skin, chicken bone and so on. It is composed of three peptide chains which twisted into screw-type. Its protein content is a
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Yiweilong Biological Technology Co.,Ltd
[Verified]
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Negotiable
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