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Air Bar Diamond 4 Supplier Audit Checklist Checklist 2026
Published 2026 · VapeWholesaleHub trade desk

A supplier audit checklist turns impressions of a Diamond 4 factory into comparable data.
Between the factory gate and the retail shelf, supplier audit checklist is where most of the value on the Diamond 4 is either created or lost.
Shops that receive a short briefing on supplier audit checklist convert noticeably better than shops that only receive stock.
Why supplier audit checklist matters on the Diamond 4
Production capacity, quality records and certification should be verified on site.
A written internal standard for supplier audit checklist makes onboarding new account managers far quicker and reduces avoidable errors.
Traceability of raw materials matters increasingly to downstream buyers.
Reference specification
| Item | Value |
|---|---|
| Model | Diamond 4 |
| Brand | Air Bar |
| Category | Reviews |
| Battery | 800 mAh |
| Output range | 8-60 W |
| Capacity | 2.0 ml |
| Charging | USB-C 1A |
| Coil options | 1.0 / 1.2 ohm |
| Carton quantity | 240 units |
Re auditing annually keeps the relationship honest.
Practical notes for buyers
Freight consolidation changes the answer to supplier audit checklist at container scale, which is why small and large buyers reach different conclusions.
A written internal standard for supplier audit checklist makes onboarding new account managers far quicker and reduces avoidable errors.
Checklist
- Verify that artwork matches the approved compliance template.
- Keep certificates current and filed against the exact model name.
- Record the arrival condition with photographs on the day of delivery.
- Retain one sealed sample carton from every batch for reference.
- Agree in advance who pays for return freight on a defect claim.
- Request batch photographs and a packing list prior to shipment.
Commercial terms
Volume commitments work best when they are structured as a rolling target rather than a single fixed number.
Most long running accounts settle into a rhythm of monthly top ups with one larger seasonal build per year.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (175 units) | Tier 1 | 30-45 days |
| Pallet (1241 units) | Tier 2 | 30-45 days |
| Container (6455 units) | Tier 3 | 21-30 days |
Frequently asked questions
What should a Diamond 4 supplier audit cover?
Capacity, quality control records, certifications, traceability and after sales responsiveness.
Is documentation provided for customs?
Commercial invoice, packing list and the relevant certificates are supplied; the importer's broker handles the declaration.
Can several models be mixed in one shipment?
Yes, mixing models and flavours within a carton or pallet is common and usually helps first time buyers test demand.
How quickly can a repeat order be produced?
For established configurations production typically runs two to four weeks, with transit on top depending on the chosen method.
Final word
None of this is complicated, but it does need to be written down and reviewed on a schedule.
Trade enquiry
Quotations, samples and artwork files are available on request. Please state model, quantity per SKU, destination and target delivery window.
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