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Air Bar Nex 4 Supplier Audit Checklist Checklist 2026
Published 2026 · VapeWholesaleHub trade desk
A supplier audit checklist turns impressions of a Nex 4 factory into comparable data.
The Nex 4 has settled into a stable position in the range, which makes supplier audit checklist the natural next question for distributors.
Cash flow is the quiet constraint behind supplier audit checklist: the cheapest option is rarely the one that frees the most working capital.
Why supplier audit checklist matters on the Nex 4
Production capacity, quality records and certification should be verified on site.
The most common mistake is optimising for the first order instead of the fourth, which is where Nex 4 economics actually settle.
Traceability of raw materials matters increasingly to downstream buyers.
Reference specification
| Item | Value |
|---|---|
| Model | Nex 4 |
| Brand | Air Bar |
| Category | Disposable Vapes |
| Battery | 500 mAh |
| Output range | 8-80 W |
| Capacity | 6.0 ml |
| Charging | USB-C fast charge |
| Coil options | 0.4 / 0.6 ohm |
| Carton quantity | 50 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.
Freight consolidation changes the answer to supplier audit checklist at container scale, which is why small and large buyers reach different conclusions.
Checklist
- Retain one sealed sample carton from every batch for reference.
- Keep certificates current and filed against the exact model name.
- Request batch photographs and a packing list prior to shipment.
- Agree in advance who pays for return freight on a defect claim.
- Confirm the exact configuration in writing before the deposit is paid.
- Check carton quantities against the commercial invoice line by line.
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 (155 units) | Tier 1 | 7-12 days |
| Pallet (1573 units) | Tier 2 | 7-12 days |
| Container (14587 units) | Tier 3 | 14-21 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.
Do you support long term supply agreements?
Yes, rolling agreements with defined review points work better for both sides than rigid annual commitments.
Can packaging be adjusted for our market?
Artwork localisation is straightforward; structural changes need larger volumes and a longer lead time.
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.