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Made in Gansu, China
English
Made in Gansu, China
English
Tag COA & Testing
Guides on Certificates of Analysis and lab testing for Chinese herbs — identity, pesticides, heavy metals, and how to verify quality before you order.
What Should a COA for Chinese Herbal Slices Include?
A buyer's guide to what a Certificate of Analysis for Chinese herbal slices should include — batch number, botanical identity, test items, residues, and QA approval — and how to check it before approving a bulk order.