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Sample Order Workflow Guide for Air Bar Zen 4
Published 2026 · VapeWholesaleHub trade desk
A disciplined sample workflow shortens the path from first interest to a Zen 4 purchase order.
Every serious sourcing conversation about the Zen 4 eventually arrives at sample order workflow, usually because it is where cost and risk meet.
Seasonality interacts with sample order workflow more than most forecasts allow for, so a rolling review beats an annual one.
Why sample order workflow matters on the Zen 4
Request samples with the final specification, not an approximation.
Documentation is not paperwork for its own sake; on sample order workflow it is the difference between a clean clearance and a delayed one.
Evaluate across at least two weeks of real use.
Reference specification
| Item | Value |
|---|---|
| Model | Zen 4 |
| Brand | Air Bar |
| Category | Vape Devices |
| Battery | 400 mAh |
| Output range | 10-40 W |
| Capacity | 3.0 ml |
| Charging | USB-C 2A |
| Coil options | 0.8 / 1.2 ohm |
| Carton quantity | 240 units |
Record findings so the next buyer does not repeat the work.
Practical notes for buyers
Shops that receive a short briefing on sample order workflow convert noticeably better than shops that only receive stock.
The most common mistake is optimising for the first order instead of the fourth, which is where Zen 4 economics actually settle.
Checklist
- Retain one sealed sample carton from every batch for reference.
- Keep certificates current and filed against the exact model name.
- Agree in advance who pays for return freight on a defect claim.
- Check carton quantities against the commercial invoice line by line.
- Record the arrival condition with photographs on the day of delivery.
- Review the reorder point after one full selling cycle.
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 (175 units) | Tier 1 | 30-45 days |
| Pallet (1571 units) | Tier 2 | 21-30 days |
| Container (18926 units) | Tier 3 | 14-21 days |
Frequently asked questions
How many Zen 4 samples should we request?
Three to five units per shortlisted configuration is enough to judge consistency.
Do you support long term supply agreements?
Yes, rolling agreements with defined review points work better for both sides than rigid annual commitments.
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.
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.
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