Zhuzhou Yuyuan Biotechnology sells to businesses rather than direct to researchers and operates from China. It lists 27 products, including Melanotan II, Semaglutide, Tirzepatide, Retatrutide, N-Acetyl Semax Amidate, and CJC-1295, plus 16 other compounds. It also produces and labels to order, so stock sold under other brand names may come from here.
In its own words: “Zhuzhou Dingcheng tanning CO.,LTD is a professional manufacturer engaged in the research, development, production,sale,and service of all kinds of peptides vials and nasals , we focus on high quality, competitive price, flexible order quantity, on time delivery.our products are main exported to clients in European countries ,UK,USA，Canada and Australia.Our products are widely recognized and trusted by users .”
We found no test results or certificates anywhere on Zhuzhou Yuyuan Biotechnology's site. Of the 12 product pages we opened, 11 state 99% purity.
No prices are published. You have to ask over messaging before you can compare cost against another supplier. Payment is by bank transfer and paypal.
Worth knowing before you order: no published COAs and no research-use-only notice. We found no certificates of analysis or third-party test results anywhere on the site.
Site check: 27 products listed; payment by bank transfer, paypal; operates from China.
Zhuzhou Yuyuan Biotechnology is listed as active. Tracked by Finnrick with 4 unlisted tests.
| Status | Active |
|---|---|
| Vendor type | Research-use supplier |
These details were read from Zhuzhou Yuyuan Biotechnology's own website on 2026-08-17. Pages consulted:
We hold no independent testing, published certificates, or ratings for Zhuzhou Yuyuan Biotechnology, so we cannot tell you whether it is legitimate. That is an absence of evidence, not evidence of a scam — it means nobody has tested it.
We hold no independent third-party assays for Zhuzhou Yuyuan Biotechnology. Any purity figure it publishes is self-reported unless it names the lab that produced it.
Zhuzhou Yuyuan Biotechnology accepts Bank Transfer, PayPal.
Zhuzhou Yuyuan Biotechnology ships from China.
Popular peptides: Semaglutide, Tirzepatide, Retatrutide, BPC-157, CJC-1295, Ipamorelin.
Other reviewed vendors: Ziptides Peptides Review, Zjpeptix Review, ZLZ Peptide Review.