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Returns and Credit Notes Guide for Air Bar Diamond 4
Published 2026 · VapeWholesaleHub trade desk

A clear returns and credit process on Diamond 4 protects the relationship when something goes wrong.
Buyers who treat returns and credit notes as a commercial discipline rather than an afterthought tend to hold margin for longer.
The most common mistake is optimising for the first order instead of the fourth, which is where Diamond 4 economics actually settle.
Why returns and credit notes matters on the Diamond 4
Distinguish between a defect claim and a change of mind before agreeing any action.
Where two suppliers look identical on price, returns and credit notes is usually the variable that separates them over a full year.
Credit notes should reference the original invoice line to keep accounting clean.
Reference specification
| Item | Value |
|---|---|
| Model | Diamond 4 |
| Brand | Air Bar |
| Category | E-Juice |
| Battery | 1300 mAh |
| Output range | 8-25 W |
| Capacity | 1.2 ml |
| Charging | USB-C 2A |
| Coil options | 0.8 / 1.2 ohm |
| Carton quantity | 120 units |
Agreeing who pays return freight in advance avoids most disputes.
Practical notes for buyers
A written internal standard for returns and credit notes makes onboarding new account managers far quicker and reduces avoidable errors.
Shops that receive a short briefing on returns and credit notes convert noticeably better than shops that only receive stock.
Checklist
- Retain one sealed sample carton from every batch for reference.
- Check carton quantities against the commercial invoice line by line.
- Agree in advance who pays for return freight on a defect claim.
- Record the arrival condition with photographs on the day of delivery.
- Verify that artwork matches the approved compliance template.
- Log sell through by account for the first eight weeks.
Commercial terms
Agreeing a defect handling procedure before the first shipment removes emotion from later conversations.
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 (79 units) | Tier 1 | 30-45 days |
| Pallet (1293 units) | Tier 2 | 7-12 days |
| Container (11907 units) | Tier 3 | 14-21 days |
Frequently asked questions
Who pays return freight on a Diamond 4 defect claim?
For confirmed defects the supplier normally covers it; agreeing this in writing before shipment prevents arguments.
Can packaging be adjusted for our market?
Artwork localisation is straightforward; structural changes need larger volumes and a longer lead time.
Is documentation provided for customs?
Commercial invoice, packing list and the relevant certificates are supplied; the importer's broker handles the declaration.
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
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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