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Knotweed Root Certified Organic
Advantages: 1. Main ingredients: Emodin and polygonin. 2. Used Part: Rhizome and Root 3. Specifications: Cut, granule, or OEM. 4. Quality: Organic certified, natual standard, conventional Grade. 5. Over 20 years’ experience of providing herbs raw materials to Medicine company, research party, cosmetic company and tea company.
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