QST
Qingdao Saber Technology Pharmaceutical
Qingdao · China · est. 2017 · source page added 29 Sep 2024
Buy direct from QST at qingdaosabertechnology.com →
Their storefront, not ours. Marked nofollow and sponsored, and nobody here is paid for it.
Qingdao, established 2017. How a supplier behaves under a public challenge is a data point in its own right: in 2025 a member raised a batch question, the vendor retested at its own cost, the result matched the certificate and the member acknowledged a handling error. The purity results have been tightly clustered ever since, and the Northern European lanes are quick.
- Legal name
- Qingdao Saber Technology Pharmaceutical
- Short code
- QST
- Also known as
- QST, QST Biotech, Qingdao Saber Technology Pharmaceutical
- Shop domain
- qingdaosabertechnology.com →
- City
- Qingdao
- Established
- 2017
- Community rating
- 94%
- 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
- Retested a challenged batch at its own cost and published the result alongside the original
- Purity results tightly clustered across the whole log
- Qingdao lanes to Northern Europe are among the fastest in the table
- Catalogue is focused rather than broad — ask for availability on the less common analogs before planning an order
- Ask for the retained-sample reference if you want a lot re-run; they have done it before and quoted the cost up front
- Certificates carry batch, date and method; lead time and minimum quantity are both stated at checkout
| Date | Service | Compound | Batch | Claimed | Result |
|---|---|---|---|---|---|
| 2026-06-08 | Janoshik | Semaglutide 5mg | QST-2606 | 98.0% | 98.3% |
| 2026-01-21 | Medutest | Tirzepatide 10mg | QST-2601 | 98.0% | 98.1% |
| 2025-06-16 | Janoshik | Semaglutide 10mg | QST-2506 | 98.5% | 98.8% |
| 2025-06-16 | PeptideMeter | Semaglutide 10mg | QST-2506 | 98.5% | 98.8% |
| From | To | Carrier | Days |
|---|---|---|---|
| Qingdao | Sweden | DHL | 7–9 |
| Qingdao | UK | DHL | 8–11 |
- 1[Lab] split one vial across PeptideMeter and VendorInvestigate — 99.0% and 99.1%c/vendorvetting · 16k points · 64 comments
- 2unpopular opinion: most of what gets said here about PeptideMeter is guessworkc/vendorvetting · 11k points · 27 comments
- 3[Vendor] QST vs WWB on the same compound, same month — both cleared 99.0%c/tirzepatide · 8.5k points · 61 comments
- 4[Vendor] QST vs QYB on the same compound, same month — both cleared 99.0%c/tirzepatide · 7.4k points · 62 comments
- 5[Vendor] WWB vs QST on the same compound, same month — both cleared 98.5%c/semaglutide · 6.3k points · 49 comments
- 6how much of what we believe about batch actually comes from related substances threadsc/coa · 4.8k points · 41 comments
- 7[Discussion] can we stop arguing about Medutest until somebody posts a numberc/vendorvetting · 4.7k points · 26 comments
- 8help me understand lane, I have read the wiki twicec/intlshipping · 3.9k points · 29 comments
- 9[Discussion] can we stop arguing about COA until somebody posts a numberc/coa · 3.6k points · 40 comments
- 10does purity actually matter or is it forum lore at this pointc/coa · 3.3k points · 63 comments
- 11[Question] how do you actually verify vendorc/vendorvetting · 3.2k points · 25 comments
- 12[Question] how do you actually verify DHLc/intlshipping · 3.1k points · 38 comments
the thing that sold me is peptide content being listed separately from purity. nobody does that and everybody should. this is one order not a dataset.
been buying semax 10 mg from them for 24 months. nothing has changed, which is the point.
12th order, zero drama. that is genuinely all I have to say. boring supplier. highest compliment I have.
the lot code on the vial matched the paperwork. sounds like nothing. it predicts everything. no notes.
custom synth quote came back realistic and then they beat the date by 2 days. not the cheapest per mg and the paperwork explains the difference.
day 6 from Germany warehouse, tracking updated every single hop. customs paperwork right first time which is why it was fast. not sponsored, not affiliated, just kept the receipts.
I have certificates from about 6 suppliers and theirs is the one I would hand to someone as an example.
ordered oxytocin 10 mg, sent it to Janoshik, came back 98.6% on a stated 98.4%. good enough for me. paperwork is half of what you are paying for.
sent one to Medutest and one to PeptideMeter because I did not believe the first result. both agreed. fine, I believe it. no upsell attached to the answer, which I noticed because it is unusual.
the related substances table is itemised. actual named impurities. not "total 0.4%" and a shrug. the difference between their number and the lab number is smaller than method noise. if the next one holds I will stop testing every lot.
quoted 6 days. arrived 6 days. this is the whole review.
stock said in stock. it was actually in stock. shipped same day. wild. genuinely nothing to complain about.
I asked for a second certificate for a lot bought eight months earlier and they found it and got an actual answer, not a copy-paste. peptide content 96.8% so converting to a working mass was trivial.
blind submitted the selank 10 mg to VendorInvestigate, did not say whose it was. 98.9% vs 98.7% claimed. no mannitol surprise, cake intact, not collapsed. solid. that is it. solid.
packing was a rigid outer with no rattle anywhere in it. someone in that warehouse cares. purity by RP-HPLC with the wavelength stated, so the number means something. if the next one holds I will stop testing every lot.
invoice, vial and certificate all agree on the lot number. the lot-specific document, not the catalogue one, which is the distinction that matters. paperwork is half of what you are paying for.
asked about counter-ion and got acetate vs TFA answered properly instead of being ignored. not the cheapest per mg and the paperwork explains the difference.
split the order across two lots to compare. came back within 0.1 of each other. reply on the technical question came back same day. defaulting to them until something changes.
shipped out of Germany, landed day 6. no customs, no waiting, no chasing.
certificate for lot QST-25-122 was complete first time. no email chain. no "we will look into it".
the certificate came with the method line on it — column, gradient, wavelength. the purity figure is stated by RP-HPLC with the wavelength named. research use only, obviously.
sent a vial to Medutest out of habit. 98.9% against a claimed 98.5%. the lot-specific document, not the catalogue one, which is the distinction that matters. paperwork is half of what you are paying for.
their raw tested 99.4% against a reseller vial of the same thing at 99.0%. going direct is not a vibe, it is a number.
they will quote lines nobody else will even respond about, and it came back clean. if the next one holds I will stop testing every lot.
reordered at 15 months to check for drift. 97.1% then, 97.1% now. happy. moving on.
support replied on a sunday with the batch record attached. on a sunday. genuinely nothing to complain about.
Qingdao Saber Technology Pharmaceutical sells from its own storefront. Read what they say about themselves against the log above, then decide.
Go to the QST store — qingdaosabertechnology.com →
Check the lot on the vial against the lot on the certificate when it arrives. A good record predicts your batch; it cannot guarantee it, and no storefront can.