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

A supplier audit checklist turns impressions of a Diamond 4 factory into comparable data.
Distributors reviewing their Diamond 4 range usually find that supplier audit checklist explains most of the variance in results between accounts.
Documentation is not paperwork for its own sake; on supplier audit checklist it is the difference between a clean clearance and a delayed one.
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 | Disposable Vapes |
| Battery | 500 mAh |
| Output range | 10-60 W |
| Capacity | 1.0 ml |
| Charging | USB-C fast charge |
| Coil options | 0.6 / 0.8 / 1.0 ohm |
| Carton quantity | 240 units |
Re auditing annually keeps the relationship honest.
Practical notes for buyers
Cash flow is the quiet constraint behind supplier audit checklist: the cheapest option is rarely the one that frees the most working capital.
Freight consolidation changes the answer to supplier audit checklist at container scale, which is why small and large buyers reach different conclusions.
Checklist
- Verify that artwork matches the approved compliance template.
- Agree in advance who pays for return freight on a defect claim.
- Record the arrival condition with photographs on the day of delivery.
- Request batch photographs and a packing list prior to shipment.
- Log sell through by account for the first eight weeks.
- Confirm the exact configuration in writing before the deposit is paid.
Commercial terms
Lead times are a function of component availability as much as factory capacity, so buffers should reflect both.
Freight terms should be named explicitly, because an unclear incoterm is the fastest way to lose a relationship.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (58 units) | Tier 1 | 14-21 days |
| Pallet (1005 units) | Tier 2 | 30-45 days |
| Container (9549 units) | Tier 3 | 14-21 days |
Frequently asked questions
What should a Diamond 4 supplier audit cover?
Capacity, quality control records, certifications, traceability and after sales responsiveness.
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.
What happens if a batch fails inspection?
The agreed procedure normally covers replacement of affected units or credit against the next order, documented before shipment.
Final word
If only one thing changes after reading this, let it be the habit of checking supplier audit checklist before reordering.
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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