KP
Zhuhai Kerui Biotechnology Co., Ltd.
Zhuhai, Zhuhai · China · est. 2016 · source page added 14 Apr 2024
Zhuhai, est. 2016. The reship policy is the story: two members have had shipments go missing and both got replacements without a public thread. That is the behaviour that never gets talked about because it works. Purity consistently 98%+, but the reship responsiveness is the differentiation.
- Legal name
- Zhuhai Kerui Biotechnology Co., Ltd.
- Short code
- KP
- Also known as
- KP, KP Biotech, Zhuhai Kerui Biotechnology
- Shop domain
- keruipeptides.com →
- City
- Zhuhai, Zhuhai
- Established
- 2016
- Community rating
- 98%
- Independent tests logged
- 4
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
- Reship policy honoured twice, with receipts posted both times
- Purity consistently 98%+ across four compounds
- Zhuhai lanes to Australia are among the fastest in the table
- Email replies are short to the point of terse. Not rude, just brief
- COAs sometimes omit water content — ask if you care about it.
| Date | Service | Compound | Batch | Claimed | Result |
|---|---|---|---|---|---|
| 2026-05-15 | Medutest | Semaglutide 10mg | KP-2605 | 98.5% | 98.7% |
| 2025-12-02 | Janoshik | Tirzepatide 10mg | KP-2512 | 98.5% | 98.3% |
| 2025-06-11 | PeptideMeter | BPC-157 10mg | KP-2506 | 98.0% | 98.5% |
| 2024-10-16 | Janoshik | Semaglutide 5mg | KP-2410 | 98.5% | 98.1% |
| From | To | Carrier | Days |
|---|---|---|---|
| Zhuhai | Australia | DHL | 9–11 |
| Zhuhai | UK | DHL | 8–11 |
- 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
- 7[Vendor] KP vs BCH on the same compound, same month, one test eachc/semaglutide · 12k points · 41 comments
- 8area percent — my 20-week log, condensed into one tablec/coa · 11k points · 58 comments
- 9[Vendor] KP reship policy actually honoured — receipts insidec/vendorvetting · 641 points · 19 comments
- 10[Vendor] KP reship policy actually honoured — receipts insidec/vendorvetting · -58 points · 11 comments
Ordered PT-141 10 mg twice. Both vials reconstituted cleanly and both matched their certificates.
Pleased to find they hold stock in the United Kingdom. Domestic dispatch, day 4, no customs step at all.
Asked a genuinely technical question about pre-dispatch storage and got a reply with numbers in it, inside 8 hours.
No customs paperwork, no import wait — it came from their stock in the Netherlands and arrived day 5.
Certificate claimed 99.0% on lot KP-25-677. VendorInvestigate came back 99.1%. On an independent column that is as close to agreement as this gets.
Domestic dispatch from their stock in Australia. Straightforward, day 3, exactly as quoted.
Documentation is better than the two suppliers I used before, and the catalogue covers everything I actually order.
Peptide content reported at 99.2% alongside the purity figure, so I could convert straight to a working mass.
One of the few places that will quote AOD-9604 5 mg at all, and the synthesis came back clean on an independent check.
Arrived on day 3 against a quoted 4. Customs paperwork was right first time, which is why it moved that fast.
Their warehouse in Australia had the TB-500 5 mg in stock and it shipped the same afternoon. Tracking never left the country.
3 lots logged now, purity 97.7 to 98.1%. A band that tight is worth more to me than one spectacular number.
Weighed 6 vials from the cagrilintide 5 mg order against label. Every one inside 2% of stated mass. Fill consistency is harder than purity and they have it.
Submitted the BPC-157 5 mg to PeptideMeter blind, without telling them the source. 98.2% against a stated 97.9%. The number holds up when nobody knows whose vial it is.
They report purity by RP-HPLC with the wavelength stated and peptide content separately. Two different numbers, correctly separated.
VendorInvestigate has now seen 8 of their lots through me. Not one has come back outside spec.
The certificate for lot KP-25-799 carried method, wavelength, water content and an itemised related-substances table. Complete on the first pass.
Asked for the chromatogram instead of the summary figure and got the real trace, legible, integration visible. They send it without hesitating.
First order, deliberately small, epithalon 10 mg only. Documentation, transit and a PeptideMeter result at 98.7% all checked out, so the next one will not be small.
The hexarelin 5 mg arrived on day 4 with the cold pack intact and the seal unbroken. Straightforward, exactly as described.
Support answered on a Sunday, correctly, with the batch record attached. That is well beyond what I expected.
Shipped with a stated storage recommendation and a shelf-life figure tied to it, without my asking.
Held locally in the United States, so the IGF-1 LR3 1 mg arrived on day 4 without an import step.
Moved here after two bad lots elsewhere. 6 orders in and the PeptideMeter numbers have been flat every single time.
Custom synthesis quote came back with a realistic timeline and they beat it. Purity on delivery matched the signed spec.
Reconstituted the tesamorelin 2 mg and it went clear on contact — no haze, no floaters, no long swirl. Tells you the lyophilisation was done properly.