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Hunan Howin Biotechnology Co., Ltd.

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Changsha, Hunan Province
China

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Monday – Saturday
8:00 AM – 6:00 PM (CST)

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Before You Reach Out

We aim to respond within 8 business hours. For urgent OEM requests, mention "URGENT" in your subject line.

Yes. We ship samples worldwide. Shipping costs vary by destination.

Absolutely. Please schedule 2 weeks in advance for a comprehensive tour.