Zhejiang Jiuzhou Chem Co
ActiveZhejiang Jiuzhou Chem Co is a research peptide vendor based in China. They report third-party lab testing, which Peptul has not yet independently verified. Everything here is what Peptul could check - so you can judge the vendor for yourself.
Testing and trust
Third-party COA
Yes - third party via Finnrick Analytics
Reputation
Community reputation
Finnrick Analytics independent testing shows consistent purity and quantity across 4 tested products. Average purity/quantity score of 7.5/10 with results ranging from 6.3 to 8.0. Most recent testing completed March 2, 2026.
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Claim listingFor educational and research purposes only. Not medical advice. Always consult a qualified healthcare provider before using any research compound.