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Address: 3 Houhe Road, Emerging Industry Park, Mancheng, Baoding, Hebei, 071000 China.
Tel:+86-312-3023316
Phone:+86-15512219881
Email: sales@vdk-biotech.com

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For inquiries about our products such as 5-HTP Powder, Melatonin Powder, Resveratrol Powder or price list,please leave your email to us and we will be in touch within 24 hours.

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