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

A supplier audit checklist turns impressions of a Diamond 4 factory into comparable data.
A range review that ignores supplier audit checklist will often produce a confident decision and a disappointing quarter on the Diamond 4.
Retail staff rarely ask about supplier audit checklist directly, but their questions almost always lead back to it.
Why supplier audit checklist matters on the Diamond 4
Production capacity, quality records and certification should be verified on site.
Keeping a short internal note on supplier audit checklist for each SKU pays for itself the first time a dispute arises over the Diamond 4.
Traceability of raw materials matters increasingly to downstream buyers.
Reference specification
| Item | Value |
|---|---|
| Model | Diamond 4 |
| Brand | Air Bar |
| Category | Pod Systems |
| Battery | 650 mAh |
| Output range | 5-30 W |
| Capacity | 4.0 ml |
| Charging | USB-C 1A |
| Coil options | 0.4 / 0.6 ohm |
| Carton quantity | 50 units |
Re auditing annually keeps the relationship honest.
Practical notes for buyers
Seasonality interacts with supplier audit checklist more than most forecasts allow for, so a rolling review beats an annual one.
Keeping a short internal note on supplier audit checklist for each SKU pays for itself the first time a dispute arises over the Diamond 4.
Checklist
- Keep certificates current and filed against the exact model name.
- Agree in advance who pays for return freight on a defect claim.
- Retain one sealed sample carton from every batch for reference.
- Log sell through by account for the first eight weeks.
- Review the reorder point after one full selling cycle.
- Check carton quantities against the commercial invoice line by line.
Commercial terms
Commercial terms are usually agreed in three parts: a deposit on confirmation, a balance before shipment and a stated validity window.
Commercial terms are usually agreed in three parts: a deposit on confirmation, a balance before shipment and a stated validity window.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (58 units) | Tier 1 | 14-21 days |
| Pallet (1749 units) | Tier 2 | 21-30 days |
| Container (15387 units) | Tier 3 | 30-45 days |
Frequently asked questions
What should a Diamond 4 supplier audit cover?
Capacity, quality control records, certifications, traceability and after sales responsiveness.
Can packaging be adjusted for our market?
Artwork localisation is straightforward; structural changes need larger volumes and a longer lead time.
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.
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
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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