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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.
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.
Why supplier audit checklist matters on the Diamond 4
Production capacity, quality records and certification should be verified on site.
Consistency across batches matters more than peak performance for Diamond 4, and supplier audit checklist is where inconsistency first appears.
Traceability of raw materials matters increasingly to downstream buyers.
Reference specification
| Item | Value |
|---|---|
| Model | Diamond 4 |
| Brand | Air Bar |
| Category | Vape Pens |
| Battery | 1100 mAh |
| Output range | 5-30 W |
| Capacity | 2.0 ml |
| Charging | USB-C 2A |
| Coil options | 0.6 / 0.8 / 1.0 ohm |
| Carton quantity | 50 units |
Re auditing annually keeps the relationship honest.
Practical notes for buyers
Consistency across batches matters more than peak performance for Diamond 4, and supplier audit checklist is where inconsistency first appears.
Where two suppliers look identical on price, supplier audit checklist is usually the variable that separates them over a full year.
Checklist
- Confirm the exact configuration in writing before the deposit is paid.
- Request batch photographs and a packing list prior to shipment.
- Review the reorder point after one full selling cycle.
- Log sell through by account for the first eight weeks.
- Keep certificates current and filed against the exact model name.
- Verify that artwork matches the approved compliance template.
Commercial terms
Lead times are a function of component availability as much as factory capacity, so buffers should reflect both.
Lead times are a function of component availability as much as factory capacity, so buffers should reflect both.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (186 units) | Tier 1 | 14-21 days |
| Pallet (706 units) | Tier 2 | 14-21 days |
| Container (18443 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 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
The buyers who do this well are not luckier; they are simply more consistent about the basics.
Trade enquiry
Quotations, samples and artwork files are available on request. Please state model, quantity per SKU, destination and target delivery window.