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

A supplier audit checklist turns impressions of a Nex 4 factory into comparable data.
Between the factory gate and the retail shelf, supplier audit checklist is where most of the value on the Nex 4 is either created or lost.
In practice the decision comes down to three numbers: unit cost, freight per unit and the realistic sell through rate for Nex 4.
Why supplier audit checklist matters on the Nex 4
Production capacity, quality records and certification should be verified on site.
Where two suppliers look identical on price, supplier audit checklist is usually the variable that separates them over a full year.
Traceability of raw materials matters increasingly to downstream buyers.
Reference specification
| Item | Value |
|---|---|
| Model | Nex 4 |
| Brand | Air Bar |
| Category | Pricing |
| Battery | 1000 mAh |
| Output range | 8-40 W |
| Capacity | 6.0 ml |
| Charging | USB-C 1A |
| Coil options | 0.6 / 0.8 / 1.0 ohm |
| Carton quantity | 120 units |
Re auditing annually keeps the relationship honest.
Practical notes for buyers
The most common mistake is optimising for the first order instead of the fourth, which is where Nex 4 economics actually settle.
Documentation is not paperwork for its own sake; on supplier audit checklist it is the difference between a clean clearance and a delayed one.
Checklist
- Keep certificates current and filed against the exact model name.
- Verify that artwork matches the approved compliance template.
- Confirm the exact configuration in writing before the deposit is paid.
- Log sell through by account for the first eight weeks.
- Request batch photographs and a packing list prior to shipment.
- Record the arrival condition with photographs on the day of delivery.
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 (95 units) | Tier 1 | 14-21 days |
| Pallet (981 units) | Tier 2 | 30-45 days |
| Container (10282 units) | Tier 3 | 30-45 days |
Frequently asked questions
What should a Nex 4 supplier audit cover?
Capacity, quality control records, certifications, traceability and after sales responsiveness.
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.
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.
Do you support long term supply agreements?
Yes, rolling agreements with defined review points work better for both sides than rigid annual commitments.
Final word
A short quarterly review of these points will keep the Nex 4 range healthy without consuming the week.
Trade enquiry
Quotations, samples and artwork files are available on request. Please state model, quantity per SKU, destination and target delivery window.