WWB
Wuhan Wansheng Biotechnology Co., Ltd.
Wuhan, Hubei · China · source page added 19 Aug 2023
The volume leader on this site with 388 published Janoshik reports — a public dataset large enough to spot real patterns. Rating is 97% for this community because while the spread is wider than Shanghai vendors, the responsiveness to test discrepancies sets them apart. Long history means three years of checkable claims.
- Legal name
- Wuhan Wansheng Biotechnology Co., Ltd.
- Short code
- WWB
- Also known as
- WWB, Wansheng Bio, WWBT
- Shop domain
- wuhanwanshengbio.com →
- City
- Wuhan, Hubei
- Established
- not published
- Community rating
- 98%
- Independent tests logged
- 5
Regional stock, so orders ship inside the buyer’s own country.
- Netherlands (Rotterdam) — European Union, 2-4 days
- Germany (Hamburg) — Germany, Austria, Switzerland, 2-4 days
- United Kingdom (London) — United Kingdom & Ireland, 2-3 days
- United States (California) — United States, 2-4 days
- Canada (Toronto) — Canada, 3-5 days
- Australia (Melbourne) — Australia & New Zealand, 3-5 days
- 388 published third-party test reports — genuinely transparent about batch variance
- Consistent technical engagement when disputes arise
- Responsive to credits when test data supports it
- Batch-to-batch variation wider than the Shanghai cluster — test your own vial
- Two historically below-spec results in 2025, both credited promptly.
| Date | Service | Compound | Batch | Claimed | Result |
|---|---|---|---|---|---|
| 2026-03-11 | Janoshik | Semaglutide 10mg | WWB-2603 | 98.0% | 97.9% |
| 2025-09-08 | Medutest | Tirzepatide 10mg | WWB-2509 | 98.0% | 96.8% |
| 2025-06-30 | Janoshik | Semaglutide 5mg | WWB-2506 | 98.0% | 94.2% |
| 2025-03-03 | PeptideMeter | Semaglutide 10mg | WWB-2503 | 98.0% | 98.3% |
| 2024-08-27 | Janoshik | BPC-157 10mg | WWB-2408 | 98.0% | 97.5% |
| From | To | Carrier | Days |
|---|---|---|---|
| Wuhan | UK | DHL | 9–13 |
| Wuhan | US East | EMS | 11–16 |
- 1[Vendor] WXT order #5 — the Netherlands, 35 days, no drama, receipts insidec/coa · 15k points · 34 comments
- 211 months in and testing is still the thing I get wrongc/vendorvetting · 14k points · 26 comments
- 3what changed for me between week 40 and week 89c/coa · 14k points · 58 comments
- 4related substances — my 21-week log, condensed into one tablec/coa · 13k points · 45 comments
- 5stalled for 23 weeks at 5mg and I refuse to panic this timec/coa · 13k points · 63 comments
- 6[Lab] 20th independent test on QSC, and the trend is the interesting partc/vendorvetting · 13k points · 44 comments
- 7area percent — my 20-week log, condensed into one tablec/coa · 11k points · 58 comments
- 8Medutest — 17 things I got wrong before I got it rightc/vendorvetting · 11k points · 58 comments
- 9[Meta] proposal — a flair for vendor postsc/vendorvetting · 11k points · 67 comments
- 10[Janoshik] WWB sema 10mg — 98.6%, batch and method insidec/labresults · 873 points · 53 comments
Shipped with a stated storage recommendation and a shelf-life figure tied to it, without my asking.
Consistent rather than flashy. Everything lands in the high nineties, and it lands there every time.
Lot code on the vial matched the lot code on the certificate exactly. Sounds basic; it is the single best predictor of everything else.
Asked them to hold an order until I confirmed a lot number and they did, without fuss and without a restocking charge.
Shipped from their warehouse in Canada, arrived day 2, documentation complete.
Submitted the BPC-157 5 mg to Janoshik blind, without telling them the source. 99.1% against a stated 98.9%. The number holds up when nobody knows whose vial it is.
Their warehouse in Canada carries the lines I reorder, so there is no wait on a factory run. Day 3 every time.
3 orders in eighteen months, no substitutions, no reformulations, everything in stock when the site said it was. Boring is the highest compliment I have.
Asked a genuinely technical question about pre-dispatch storage and got a reply with numbers in it, inside 3 hours.
Their warehouse in Germany had the cagrilintide 5 mg in stock and it shipped the same afternoon. Tracking never left the country.
No customs paperwork, no import wait — it came from their stock in Australia and arrived day 3.
Reordered on the strength of the last one and got an identical result. Repeatability is the product.
Queried the related-substances total on lot WWB-26-415; they came back with method, column and detection limit. That depth is rare.
Third order from them, all AOD-9604 5 mg. Sent one vial from each to Medutest and the whole set landed inside half a point of each other. That flatness is exactly what I pay for.
Asked for the chromatogram instead of the summary figure and got the real trace, legible, integration visible. They send it without hesitating.
Weighed 6 vials from the tirzepatide 10 mg order against label. Every one inside 2% of stated mass. Fill consistency is harder than purity and they have it.
They report purity by RP-HPLC with the wavelength stated and peptide content separately. Two different numbers, correctly separated.
8 lots logged now, purity 97.6 to 97.8%. A band that tight is worth more to me than one spectacular number.
Peptide content reported at 97.8% alongside the purity figure, so I could convert straight to a working mass.
Support answered on a Sunday, correctly, with the batch record attached. That is well beyond what I expected.
Good communication throughout, accurate lead time, and the parcel arrived on day 4.
Every certificate I have from them is lot-specific. Not one batch-level document in 7 orders.
Arrived on day 3 against a quoted 3. Customs paperwork was right first time, which is why it moved that fast.
Vials wrapped individually, foam cut to fit, nothing loose in the box. Packing that has clearly been thought about.
The certificate for lot WWB-24-214 carried method, wavelength, water content and an itemised related-substances table. Complete on the first pass.
Pleased to find they hold stock in the United States. Domestic dispatch, day 4, no customs step at all.