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79%
Finnrick rating
#110 of 344 ranked vendors
23 of 30 classifiable tests passed
methodology · Purity focus
Finnrick analysis

Zhengzhou Lan Yun Cosmetic Trading shows its strongest evidence in GHK-Cu and Tirzepatide, with clean identity/purity results and recent testing. Retatrutide is more dispersed: two early purity misses, including 95.87%, drag it down, though recent lots recovered; batch IDs and fill variance still limit confidence.

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vendor intelligence report
Vendor Intelligence Report: Zhengzhou Lan Yun Cosmetic Trading

Corporate filings and web-history records split Lanyun’s age story: an older mainland entity sits behind a recent English storefront. The report also maps a parallel Zhengzhou peptide site, mismatched regional contacts, and a shipping-complaint trail.

17 pages4 risk factors assessed2 Jul 2026
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Peptides
#
Peptide
$/MG
Rating
N
1
GHK-Cu
$0.07
86%
7
2
Tirzepatide
$0.36
78%
10
3
Retatrutide
$0.84
73%
13
Contact channels
Rating trend
CUMULATIVE FINNRICK RATING
83%+65%+48%+30%+<30%31 Dec 2025: 79%2 Jan 2026: 81%7 Jan 2026: 79%7 Jan 2026: 79%7 Jan 2026: 80%15 Jan 2026: 81%15 Jan 2026: 82%19 Jan 2026: 80%26 Jan 2026: 81%29 Jan 2026: 82%4 Feb 2026: 82%20 Feb 2026: 84%22 Feb 2026: 84%26 Feb 2026: 83%2 Mar 2026: 83%3 Mar 2026: 84%25 May 2026: 84%25 May 2026: 84%27 May 2026: 85%8 Jun 2026: 85%26 Jun 2026: 84%1 Jul 2026: 82%1 Jul 2026: 82%1 Jul 2026: 81%13 Jul 2026: 81%13 Jul 2026: 82%12 Aug 2026: 82%13 Aug 2026: 82%7 Sept 2026: 81%7 Sept 2026: 79%18 Sept 2026: current 79%79%84%79%Dec 25Sep 26
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Ordered peptides from Zhengzhou Lan Yun Cosmetic Trading? Mail in a sample (US only) and let us test it.

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Zhengzhou Lan Yun Cosmetic Trading test history
COA-backed lab tests
1-10 of 30

About Zhengzhou Lan Yun Cosmetic Trading test results from Finnrick

Zhengzhou Lan Yun Cosmetic Trading is a peptide vendor tracked in Finnrick's independent testing dataset. This page compiles batch-level results across 3 peptides and 30 tests, including ratings, observed price signals, recent test dates, and correction history where available.

Finnrick ratings are calculated from published sample data using the selected rating standard. The default standard evaluates purity, dose accuracy, and label quality, then adjusts low-volume results so small sample counts do not appear more certain than the data supports.

The most visible Zhengzhou Lan Yun Cosmetic Trading peptides in this dataset are CJC-1295 (0 tests). Use the peptide table above to compare the current Finnrick rating, price per mg, and sample volume for each peptide.

Recent tests and corrections are shown below when available. Samples may be acquired by Finnrick directly or submitted through Finnrick testing programs; the goal is to make safety and supply-chain evidence easier to evaluate than vendor marketing claims alone. This page currently lists 30 recent tests.

Corrections
No corrections.
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