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How to Source Air Bar Diamond 4: Sample Order Workflow
Published 2026 · VapeWholesaleHub trade desk
A disciplined sample workflow shortens the path from first interest to a Diamond 4 purchase order.
Distributors reviewing their Diamond 4 range usually find that sample order workflow explains most of the variance in results between accounts.
Consistency across batches matters more than peak performance for Diamond 4, and sample order workflow is where inconsistency first appears.
Why sample order workflow matters on the Diamond 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 | Diamond 4 |
| Brand | Air Bar |
| Category | Vape Devices |
| Battery | 1000 mAh |
| Output range | 5-40 W |
| Capacity | 3.0 ml |
| Charging | Magnetic dock |
| Coil options | 1.0 / 1.2 ohm |
| Carton quantity | 240 units |
Record findings so the next buyer does not repeat the work.
Practical notes for buyers
In practice the decision comes down to three numbers: unit cost, freight per unit and the realistic sell through rate for Diamond 4.
Shops that receive a short briefing on sample order workflow convert noticeably better than shops that only receive stock.
Checklist
- Check carton quantities against the commercial invoice line by line.
- Agree in advance who pays for return freight on a defect claim.
- Verify that artwork matches the approved compliance template.
- Confirm the exact configuration in writing before the deposit is paid.
- Request batch photographs and a packing list prior to shipment.
- Keep certificates current and filed against the exact model name.
Commercial terms
Most long running accounts settle into a rhythm of monthly top ups with one larger seasonal build per year.
Payment history is the single most reliable route to better terms, more than total annual volume.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (169 units) | Tier 1 | 14-21 days |
| Pallet (665 units) | Tier 2 | 7-12 days |
| Container (9573 units) | Tier 3 | 30-45 days |
Frequently asked questions
How many Diamond 4 samples should we request?
Three to five units per shortlisted configuration is enough to judge consistency.
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.
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.
Final word
None of this is complicated, but it does need to be written down and reviewed on a schedule.
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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