Finnrick, an independent testing programme, publishes 5 assays for Guangzhou yunyu trading: 4 met its Purity focus threshold (at least 99.5% purity, no more than 35% dosage deviation) and 1 did not. Most recent assay 5 Aug 2026.
Guangzhou yunyu trading operates from china, listed by Finnrick as "Trading". Source: Finnrick, https://www.finnrick.com/vendors/guangzhou-yunyu-trading.
Source: Finnrick, as published 2026-08-09. Pass and fail are Finnrick's classification against its own threshold, not ours.
The record for Guangzhou yunyu trading
Status
Active
Vendor type
Research-use supplier
What we found
Consumer email only. Every contact address is a free consumer mailbox ([email protected]) rather than an address on the company's own domain. There is no registered business identity behind the contact route. source
No published COAs. We found no certificates of analysis or third-party test results anywhere on the site. source
Operates from Hong Kong. Evidence: Site copy references China; Site copy references United States; Site copy references Canada. source
Research-use-only notice. The site carries an explicit research-use-only / not-for-human-consumption notice. source
Reshipment offered. + Free replacement during the warranty period source
Ordering and payment
Card payments
Not accepted
Cryptocurrency
Not accepted
Online checkout
Not available
Shipping and handling
Ships to
United States, Canada, Australia
Lost or damaged parcels
+ Free replacement during the warranty period
Returns and guarantees
Returns
+ Seven-day no-reason return
After-sales
+ Free replacement during the warranty period
Research-use notice
Published on the site
Company details
Also known as
Peptide
Operates from
Hong Kong
Basis for location
Site copy references China; Site copy references United States; Site copy references Canada; Site copy references Germany; Lists a Hong Kong (+852) contact number
Guangzhou yunyu trading is listed as active and we hold 5 Finnrick assays (4 passing, 1 failing its purity threshold). That is evidence about the batches that were tested or published, not a guarantee about the vial you receive.
Has Guangzhou yunyu trading been lab tested?
Yes. Finnrick, an independent testing programme, publishes 5 assays for Guangzhou yunyu trading: 4 met its Purity focus threshold (at least 99.5% purity, no more than 35% dosage deviation) and 1 did not. Most recent assay 5 Aug 2026.