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Air Bar Diamond 4: Warranty and After Sales for Distributors
Published 2026 · VapeWholesaleHub trade desk

Warranty and after sales handling define the long term reputation of a Diamond 4 line.
The Diamond 4 has settled into a stable position in the range, which makes warranty and after sales the natural next question for distributors.
Documentation is not paperwork for its own sake; on warranty and after sales it is the difference between a clean clearance and a delayed one.
Why warranty and after sales matters on the Diamond 4
A clear dead on arrival policy removes friction for retail partners.
Retail staff rarely ask about warranty and after sales directly, but their questions almost always lead back to it.
Spare parts availability matters more than warranty length in practice.
Reference specification
| Item | Value |
|---|---|
| Model | Diamond 4 |
| Brand | Air Bar |
| Category | Local Supply |
| Battery | 1500 mAh |
| Output range | 5-25 W |
| Capacity | 4.0 ml |
| Charging | USB-C 1A |
| Coil options | 1.0 / 1.2 ohm |
| Carton quantity | 200 units |
Tracking return reasons feeds directly into the next sourcing decision.
Practical notes for buyers
Keeping a short internal note on warranty and after sales for each SKU pays for itself the first time a dispute arises over the Diamond 4.
Consistency across batches matters more than peak performance for Diamond 4, and warranty and after sales is where inconsistency first appears.
Checklist
- Check carton quantities against the commercial invoice line by line.
- Request batch photographs and a packing list prior to shipment.
- Agree in advance who pays for return freight on a defect claim.
- Record the arrival condition with photographs on the day of delivery.
- Confirm the exact configuration in writing before the deposit is paid.
- Review the reorder point after one full selling cycle.
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 (114 units) | Tier 1 | 21-30 days |
| Pallet (985 units) | Tier 2 | 7-12 days |
| Container (19129 units) | Tier 3 | 14-21 days |
Frequently asked questions
What warranty applies to Diamond 4?
Most suppliers cover manufacturing defects for a defined period, excluding consumables and physical damage.
Do you support long term supply agreements?
Yes, rolling agreements with defined review points work better for both sides than rigid annual commitments.
Is documentation provided for customs?
Commercial invoice, packing list and the relevant certificates are supplied; the importer's broker handles the declaration.
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
A short quarterly review of these points will keep the Diamond 4 range healthy without consuming the week.
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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