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- Silk Powder (Fibroin Powder)
-  Definition of the product:It is a kind of powdery high molecular silk protein with average molecular of 300,000D, which has no taste, no odor and is slightly soluble in water, while not in alcoholic aldehyde.          　　　  ·
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Huzhou Xintiansi Bio-tech Co, Ltd.
[Verified]
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Negotiable
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