vialroom
Supplier source file · QST

Qingdao Saber Technology Pharmaceutical

Research compound manufacturer trading as QST (qingdaosabertechnology.com), based in Qingdao, China — est. 2017, Janoshik-tested, Medutest, PeptideMeter and VendorInvestigate verified, supplying 350+ peptides, sarms, injectable oils and raw materials with full COA documentation and worldwide tracked shipping.

4.7room score / 5
861member reports
577archive mentions
#16of 20 suppliers

What the room says

Qingdao, 2017, and the log is genuinely mixed rather than bad. Purity has never been the problem. Fill consistency has been, twice, and both times were handled properly. The room's position is that they are fine if you weigh your vials, which is advice it would give about anyone.

Dispatch & warehouses

Regional stock. Orders leave a warehouse in the member’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
Consistently praised
  • Purity results consistently 98%+ across the archive
  • Both reported underfills were replaced without argument
  • Coastal dispatch, quick to move
Consistently flagged
  • Two reported underfills in the archive — weigh your vials
  • Certificates are minimal

Company facts

Legal nameQingdao Saber Technology Pharmaceutical
Trades asQST
Also calledQST, QST Biotech, Qingdao Saber Technology Pharmaceutical
Domainqingdaosabertechnology.com →
CityQingdao, Qingdao, China
Established2017
Independent testing seenJanoshik, Medutest, PeptideMeter; writeups cross-checked against VendorInvestigate

Verification log

Chronological, oldest first. Every row links to the exact message in the archive. Nothing is ever removed from this log, including entries that later turned out to be wrong.

2024-02-04slow.taper — i have never had a problem i could not resolve with QST, which is a low bar and a lot of suppliers fail it#vendor-talk2025-01-04step_one_sian — did anybody find a difference between QST and pharmacy at the same 15#semaglutide2025-04-27tenpence — update from 20 months ago: QST added evidence and the entry now reflects it#vendor-verification2025-07-10typosquat_tay — coming back to this my Medutest result on a QST vial came in at 97.4 which is why i keep buying from them#tirzepatide2025-08-29per_mg_pete — i would order from QST again and i would still weigh the vials, as i would with anyone#vendor-talk2025-09-21VialBot — Verification log updated: QST — evidence added, status unchanged.#other-peptides2025-11-21cold_chain_cmdr — go on#test-results2025-12-02juno_joins — two different members is a high bar#vendor-verification2026-01-01verify_or_dont — slightly off topic but has anyone worked out the actual per mg cost including shipping for QST#vendor-talk2026-02-11first_month_fi — so you agree on nearly everything#vendor-verification2026-02-24batch_bandit — my first order from QST was fine and my fourth was better. they have improved, we shall see#vendor-talk2026-04-19lot_number_lou — this is the single best example we have of why 0.8 points is not a discrepancy#test-results2026-04-20cagri_curious — practical question. what do people do in an Australian summer#anz2026-05-08plateau_pen — genuine question whats the minimum order like at QST#vendor-talk2026-05-20batch_bandit — GL Biochem traces i have include the axis values which is basic and yet not universal#hplc-massspec2026-06-28VialBot — Assay note: QST lot F-1330 reported at 97.4% of label content.#announcements

Community rating

4.7
★★★★★

From 861 member reports logged since 2024. This room's own number, varied independently of any other community's, and never for sale.

Member reviews

sten_a★★★★★2026-03-25

Reordered on the strength of the last one and got an identical result. Repeatability is the product.

saskia_s★★★★★2026-01-13

Cold pack was still hard on arrival in Gothenburg on day 4. My logger never went above 6°C across the whole run.

hugo_v★★★★☆2025-06-11

Reliable on the general catalogue lines. Purity figures cluster tightly and the certificates match the lots.

anya_l★★★★★2026-02-17

Queried the related-substances total on lot QST-26-272; they came back with method, column and detection limit. That depth is rare.

valeria_v★★★★★2025-12-23

The semax 10 mg arrived on day 2 with the cold pack intact and the seal unbroken. Straightforward, exactly as described.

isabela_t★★★★☆2025-10-02

Steady supplier. PeptideMeter results have agreed with their stated figures on every lot I have submitted.

osman_b★★★★★2026-03-13

Custom synthesis quote came back with a realistic timeline and they beat it. Purity on delivery matched the signed spec.

runa_f★★★★★2025-09-07

6 lots logged now, purity 98.9 to 99.0%. A band that tight is worth more to me than one spectacular number.

bilal_k★★★★★2025-04-23

Certificate claimed 98.9% on lot QST-25-529. Medutest came back 99.2%. On an independent column that is as close to agreement as this gets.

nayeli_r★★★★☆2026-06-18

Shipped from their warehouse in Australia, arrived day 4, documentation complete.

idris_h★★★★★2026-06-28

Moved here after two bad lots elsewhere. 3 orders in and the Medutest numbers have been flat every single time.

nils_v★★★★★2026-04-09

Asked a genuinely technical question about pre-dispatch storage and got a reply with numbers in it, inside 8 hours.

yara_c★★★★★2025-12-24

Lot code on the vial matched the lot code on the certificate exactly. Sounds basic; it is the single best predictor of everything else.

lucia_o★★★★★2026-05-15

Quoted 3 days, arrived in 2. Tracking updated at every hop from dispatch to door.

kasper_w★★★★★2026-07-06

Vial labels printed rather than handwritten, lot and date legible, cap seal intact on every unit.

marta_j★★★★★2026-07-02

Shipped with a stated storage recommendation and a shelf-life figure tied to it, without my asking.

bianca_ku★★★★☆2026-06-19

Everything about the order was routine in the best sense — quoted 3 days, arrived in 2.

yusuf_r★★★★★2025-10-17

Ordered on a Monday from their warehouse in the United States and it was here by day 3. That is the whole case for regional stock.

ahmed_v★★★★★2025-07-21

Arrived on day 4 against a quoted 5. Customs paperwork was right first time, which is why it moved that fast.

zeynep_b★★★★☆2025-03-22

Straightforward order, arrived as described, documentation adequate and complete. Nothing to add, which is the point.

farid_e★★★★★2026-04-19

Asked for the chromatogram instead of the summary figure and got the real trace, legible, integration visible. They send it without hesitating.

clara_r★★★★☆2026-01-08

Documentation is complete and the numbers are steady. A dependable choice for routine work.

kaia_e★★★★★2025-09-24

First order, deliberately small, GHRP-2 5 mg only. Documentation, transit and a PeptideMeter result at 99.7% all checked out, so the next one will not be small.

rasmus_n★★★★★2026-03-12

Ninth order from them, all BPC-157 5 mg. Sent one vial from each to PeptideMeter and the whole set landed inside half a point of each other. That flatness is exactly what I pay for.

greta_p★★★★☆2026-02-18

Ordered glutathione 600 mg twice. Both vials reconstituted cleanly and both matched their certificates.

kofi_s★★★★☆2026-07-20

Held locally in Germany, so the tesamorelin 2 mg arrived on day 4 without an import step.

Where this supplier comes up

Other source files

Where QST sells

Qingdao Saber Technology Pharmaceutical sells from its own storefront. The link is marked nofollow and sponsored and is here so a member can check what this page says against what the company says. The room is paid nothing for it and a link is not a recommendation.

Visit QST at qingdaosabertechnology.com →

Whatever the storefront says, check the lot on the vial against the lot on the certificate before you use anything.

Fairness note
Criticism on this page is specific and evidenced. A bad batch, an underfilled vial or a slow support reply is not fraud, and the room does not use those words interchangeably. Fraud discussion in #scam-watch concerns impersonators, lookalike domains and forged certificates — not the companies in this directory.