Finnrick, an independent testing programme, publishes 58 assays for Zhejiang Yichenkang Biotechnology: 33 met its Purity focus threshold (at least 99.5% purity, no more than 35% dosage deviation) and 17 did not. Most recent assay 11 Dec 2025.
Zhejiang Yichenkang Biotechnology operates from Zhejiang, China, listed by Finnrick as "Trading". Source: Finnrick, https://www.finnrick.com/vendors/zhejiang-yichenkang-biotechnology.
Zhejiang Yichenkang Biotechnology sells to businesses rather than direct to researchers. It lists 4 products.
We found no test results or certificates anywhere on Zhejiang Yichenkang Biotechnology's site. Of the 1 product page we opened, every one states 99% purity.
No prices are published. You have to ask before you can compare cost against another supplier.
Worth knowing before you order: no contact route found, no published COAs, and no research-use-only notice. We could not find an email address, messaging handle, or contact form on the site.
Site check: 4 products listed.
Zhejiang Yichenkang Biotechnology is listed as active. Finnrick Grade D. Finnrick avg score: 6.2/10 across 58 samples (8 products). Below-average quality. Exercise caution.
Zhejiang Yichenkang Biotechnology holds independent lab grade D, assigned across 58 graded samples, average score 6.2/10. That grade comes from an independent grader's own sampling, not from PeptideAtlas, and it describes the samples that grader obtained rather than every batch sold.
| Product | Assays | Result |
|---|---|---|
| Retatrutide | 12 | 8 passed, 3 failed |
| Tirzepatide | 9 | 5 passed, 3 failed |
| BPC-157 | 7 | 1 passed, 5 failed |
| Ipamorelin | 7 | 6 passed, 0 failed |
| Semaglutide | 7 | 3 passed, 3 failed |
| CJC-1295 | 6 | 4 passed, 1 failed |
| GHK-Cu | 5 | 3 passed, 1 failed |
| Melanotan II | 5 | 3 passed, 1 failed |
Source: Finnrick, as published 2026-08-09. Pass and fail are Finnrick's classification against its own threshold, not ours.
| Status | Active |
|---|---|
| Independent lab grade | D (58 samples) |
| Average grader score | 6.2/10 |
| Vendor type | Research-use supplier |
| Satisfaction | 0.4/5 |
|---|---|
| Delivery | 4.2/5 |
| Customer service | 4.3/5 |
| Packaging | 4.6/5 |
| Ease of purchase | 5/5 |
| Payment | 5/5 |
Scored out of 5 by the same independent grader, from its own buyers rather than from this site.
These details were read from Zhejiang Yichenkang Biotechnology's own website on 2026-08-10. Pages consulted:
Zhejiang Yichenkang Biotechnology is listed as active and we hold 58 Finnrick assays (33 passing, 17 failing its purity threshold); an independent lab grade of D. That is evidence about the batches that were tested or published, not a guarantee about the vial you receive.
Yes. Finnrick, an independent testing programme, publishes 58 assays for Zhejiang Yichenkang Biotechnology: 33 met its Purity focus threshold (at least 99.5% purity, no more than 35% dosage deviation) and 17 did not. Most recent assay 11 Dec 2025.
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Popular peptides: Semaglutide, Tirzepatide, Retatrutide, BPC-157, CJC-1295, Ipamorelin.
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