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How to Source Air Bar Nex 4: Sample Order Workflow
Published 2026 · VapeWholesaleHub trade desk

A disciplined sample workflow shortens the path from first interest to a Nex 4 purchase order.
Between the factory gate and the retail shelf, sample order workflow is where most of the value on the Nex 4 is either created or lost.
Retail staff rarely ask about sample order workflow directly, but their questions almost always lead back to it.
Why sample order workflow matters on the Nex 4
Request samples with the final specification, not an approximation.
Retail staff rarely ask about sample order workflow directly, but their questions almost always lead back to it.
Evaluate across at least two weeks of real use.
Reference specification
| Item | Value |
|---|---|
| Model | Nex 4 |
| Brand | Air Bar |
| Category | E-Liquids |
| Battery | 500 mAh |
| Output range | 10-80 W |
| Capacity | 5.0 ml |
| Charging | USB-C 2A |
| Coil options | 0.8 / 1.2 ohm |
| Carton quantity | 100 units |
Record findings so the next buyer does not repeat the work.
Practical notes for buyers
Seasonality interacts with sample order workflow more than most forecasts allow for, so a rolling review beats an annual one.
Cash flow is the quiet constraint behind sample order workflow: the cheapest option is rarely the one that frees the most working capital.
Checklist
- Log sell through by account for the first eight weeks.
- Confirm the exact configuration in writing before the deposit is paid.
- Review the reorder point after one full selling cycle.
- Record the arrival condition with photographs on the day of delivery.
- Agree in advance who pays for return freight on a defect claim.
- Keep certificates current and filed against the exact model name.
Commercial terms
Payment history is the single most reliable route to better terms, more than total annual volume.
Most long running accounts settle into a rhythm of monthly top ups with one larger seasonal build per year.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (178 units) | Tier 1 | 21-30 days |
| Pallet (619 units) | Tier 2 | 30-45 days |
| Container (14621 units) | Tier 3 | 14-21 days |
Frequently asked questions
How many Nex 4 samples should we request?
Three to five units per shortlisted configuration is enough to judge consistency.
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.
Is documentation provided for customs?
Commercial invoice, packing list and the relevant certificates are supplied; the importer's broker handles the declaration.
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.