Zhengzhou Lanyun: Lab Test Results
Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Zhengzhou Lanyun.
16
CoAs on file
n/a
Avg reported purity
2
Compounds tested
Jun 8, 2026
Latest test
Results by compound
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Retatrutide | 9 | n/a | Jun 8, 2026 |
| Tirzepatide | 7 | n/a | May 25, 2026 |
Recent CoAs
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Retatrutide | n/a | n/a | Finnrick Lab G | Jun 8, 2026 | verify |
| Retatrutide | n/a | n/a | Finnrick Lab E | May 27, 2026 | verify |
| Tirzepatide | n/a | n/a | Finnrick Lab G | May 25, 2026 | verify |
| Retatrutide | n/a | n/a | Finnrick Lab E | Mar 3, 2026 | verify |
| Retatrutide | n/a | n/a | Finnrick Lab E | Feb 26, 2026 | verify |
| Tirzepatide | n/a | n/a | Finnrick Lab G | Feb 4, 2026 | verify |
| Tirzepatide | n/a | n/a | Finnrick Lab E | Jan 29, 2026 | verify |
| Retatrutide | n/a | n/a | Finnrick Lab G | Jan 26, 2026 | verify |
| Retatrutide | n/a | n/a | Finnrick Lab E | Jan 19, 2026 | verify |
| Tirzepatide | n/a | n/a | Finnrick Lab G | Jan 15, 2026 | verify |
| Retatrutide | n/a | n/a | Finnrick Lab G | Jan 15, 2026 | verify |
| Tirzepatide | n/a | n/a | Finnrick Lab G | Jan 7, 2026 | verify |
| Retatrutide | n/a | n/a | Finnrick Lab G | Jan 7, 2026 | verify |
| Retatrutide | n/a | n/a | Finnrick Lab G | Jan 7, 2026 | verify |
| Tirzepatide | n/a | n/a | Finnrick Lab E | Jan 2, 2026 | verify |
| Tirzepatide | n/a | n/a | Finnrick Lab E | Dec 31, 2025 | verify |
Showing 16 most recent of 16. Search the full database on the CoA page.
Embed this badge
Sell or represent Zhengzhou Lanyun? Link your customers to this page with the badge below. Free, no signup. The badge and counts update as new lab results land.
<a href="https://ascendpeptide.org/coa/vendor/zhengzhou-lanyun/" rel="noopener"> <img src="https://ascendpeptide.org/coa/badge/zhengzhou-lanyun.svg" alt="Zhengzhou Lanyun: lab tested, 16 CoAs on file at ASCEND Peptide" width="230" height="54"> </a>
Data comes from publicly posted third-party lab certificates (Janoshik, MZ Biolabs, and others) and community submissions. Purity figures are as reported by the testing lab for the specific batch tested; they are not a guarantee of any other batch. For research and informational purposes only.