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| huzhou xintiansi bio-tech co., ltd |
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| Huzhou Xintiansi Bio-tech Co., Ltd is one of the largest manufacturer for silk biological products in china (www.chinatiansi.com).Main products: Sericin, Silk Protein Powder, Dissolvable Silk Protein powder, Silk Amino Acids Complex, High-pure Silk Peptide, Silkworm pupa anima acids complex. |
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