Changsha Xjun Technology reviews
Changsha Xjun Technology reviews: 9 independent lab tests across 2 products, with a limited lab record.
Written by the Peptide Vendor Reviews editorial team
Is Changsha Xjun Technology legit? Lab record: Limited
How we rate- 9 independent tests
- 7 of 9 lots filled to label
- Median purity 99.9%
- Both products graded C or better
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Visit Changsha Xjun Technology
9 independent COAs · not paid-to-rank · 2 of 9 lots under label
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Peptide Vendor Reviews independently tests products and verifies reviews. Public methodology, no pay-to-rank.
Changsha Xjun Technology products we've tested
Best-graded first. Grades come from the share of each product's samples that passed purity and quantity checks. Buy links open Changsha Xjun Technology's site.
- TirzepatideAGREAT
- Tests
- 3
- Passed
- 100.0%
- RetatrutideBGOOD
- Tests
- 6
- Passed
- 83.3%
What the testing shows
Across 9 measured samples from Changsha Xjun Technology, 2 came in more than 5% under the quantity on the label (22%). Another 4 measured more than 5% over. Purity across 9 readings ran from 98.51% to 99.9%, median 99.9%. Samples span Aug 2025 to Oct 2026.
- Under label
- 2/9
- Median purity
- 99.9%
- Latest sample
- Oct 2026
- Ships from
- China
more than 5% short
98.51%–99.9% range
first tested Aug 2025
per vendor listing
Our read on Changsha Xjun Technology
8 of Changsha Xjun Technology's 9 graded samples passed (89%), and 100% of all samples were sent in by buyers rather than by the shop.
Results are improving: 100% passed over the latest six months, up from 83% before.
When a sample failed, the most common reason was purity under 99.5% (1 time).
Against the 302 shops with at least five graded tests, Changsha Xjun Technology's pass rate is at or above 86% of them, and it has more tests on record than 27% of them.
When and how Changsha Xjun Technology was tested
Samples per month. The darker part of each bar failed.
- Labs used
- Krause Analytical (6), BTLabs (3)
- Who sent the samples
- buyers 100%
- Batches covered
- 3 distinct batch numbers
Why Changsha Xjun Technology's failed samples failed
The only failed test, with the lab's reason.
Retatrutide · Feb 22, 2026
purity under 99.5%
Lab testing results
Independent results across 2 products.
Individual lab tests
Date
10/3/2026
Purity
99.9%
Quantity
20 mg → 21.3 mg
Lab
BTLabs
Vial
Silver crimp / Yellow cap
Date
10/3/2026
Purity
99.9%
Quantity
60 mg → 56.4 mg
Lab
BTLabs
Vial
Silver crimp / Light green cap
Date
7/10/2026
Purity
99.8%
Quantity
30 mg → 36.1 mg
Lab
BTLabs
Vial
No label / Silver crimp / Violet cap
Date
3/3/2026
Purity
99.9%
Quantity
30 mg → 29.7 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / White Cap
Date
2/22/2026
Purity
98.51%
Quantity
10 mg → 12.4 mg
Lab
Krause Analytical
Vial
No Label / Silver Crimp / Yellow Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| TirzepatideSilver crimp / Yellow cap | 10/3/2026 | 10.0 | 99.9% | 20 mg → 21.3 mg | BTLabs | View |
| TirzepatideSilver crimp / Light green cap | 10/3/2026 | 10.0 | 99.9% | 60 mg → 56.4 mg | BTLabs | View |
| TirzepatideNo label / Silver crimp / Violet cap | 7/10/2026 | 10.0 | 99.8% | 30 mg → 36.1 mg | BTLabs | View |
| RetatrutideNo Label / Silver Crimp / White Cap | 3/3/2026 | 10.0 | 99.9% | 30 mg → 29.7 mg | Krause Analytical | View |
| RetatrutideNo Label / Silver Crimp / Yellow Cap | 2/22/2026 | 9.9 | 98.51% | 10 mg → 12.4 mg | Krause Analytical | View |
Which Changsha Xjun Technology products tested best
Tirzepatide and Retatrutide have the strongest record, graded A or B.
Buying from Changsha Xjun Technology
If you order from Changsha Xjun Technology, start with the graded products in the table: each one links straight to the shop.
We don't track Changsha Xjun Technology's prices yet. Shipping, payment and refund terms are on their site.
The official store is www.echemi.com/shop-us20250617111431788/index.html. Check the address before you pay.
What to check before you pay
- The lot number on the vial matches the certificate
- The certificate names the lab and the test date
- Fill versus label, not purity alone
- A refund policy in writing
Track Changsha Xjun Technology
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Changsha Xjun Technology: common questions
Is Changsha Xjun Technology legit?
We rate lab records, not businesses. Limited lab record: 9 independent tests, 7 of 9 lots filled to label, median purity 99.9%, both products graded C or better. Each result links to its original certificate in the table above.
What do Changsha Xjun Technology reviews say?
We don't hold scored customer reviews for Changsha Xjun Technology yet. The independent lab results on this page are the evidence we have.
Which Changsha Xjun Technology peptides tested best?
We have graded 2 Changsha Xjun Technology products. Tirzepatide and Retatrutide graded A or B.
Is there a Changsha Xjun Technology coupon code?
We don't have a verified Changsha Xjun Technology coupon code. A discount changes the price, not what is in the vial.
Where does Changsha Xjun Technology ship from?
Public listings place Changsha Xjun Technology's shipping origin in China. Check the shop's own shipping page before ordering, as origin can change.
Ordering from Changsha Xjun Technology?
Limited lab record: 9 independent tests, 7 of 9 lots filled to label, median purity 99.9%, both products graded C or better.