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82%
Finnrick rating
#41 of 344 ranked vendors
4 of 4 classifiable tests passed
methodology · Purity focus
Finnrick analysis

Zhejiang Jiuzhou Chem Co has a narrow, Tirzepatide-only record that is comparatively strong under the purity-focus method, with identity passing, very high purity, and fills clustered near label. The evidence is recent but still small, and missing batch identifiers limit traceability even though results are consistent.

methodology →
vendor intelligence report
Vendor Intelligence Report: Zhejiang Jiuzhou Chem Co

Corporate filings trace a dissolved UK namesake shell behind Jiuzhou Chem, while the official domain currently resolves to a CDN error. The report also follows a Hangyu API overlap built on shared phone infrastructure, reused copy, and Jiuzhou-name brand confusion.

22 pages4 risk factors assessed2 Jul 2026
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Rating trend
CUMULATIVE FINNRICK RATING
83%+65%+48%+30%+<30%3 Oct 2025: 78%3 Oct 2025: 80%26 Feb 2026: 81%2 Mar 2026: 83%18 Sept 2026: current 82%78%81%82%Oct 25Sep 26
Zhejiang Jiuzhou Chem Co test history
COA-backed lab tests
DateResultTestLabPurityDosageLabelCOA
2 Mar 2026
Pass
Tirzepatide
lab nameView COA
26 Feb 2026
Pass
Tirzepatide
lab nameView COA
3 Oct 2025
Pass
Tirzepatide
lab nameView COA
3 Oct 2025
Pass
Tirzepatide
lab nameView COA

About Zhejiang Jiuzhou Chem Co test results from Finnrick

Zhejiang Jiuzhou Chem Co is a peptide vendor tracked in Finnrick's independent testing dataset. This page compiles batch-level results across 1 peptide and 4 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 Zhejiang Jiuzhou Chem Co peptides in this dataset are Tirzepatide (4 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 4 recent tests.

Corrections
No corrections.
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