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Air Bar Diamond 2: Quality Control Process for Distributors
Published 2026 · VapeWholesaleHub trade desk
Quality control is where a Diamond 2 order either protects or damages downstream relationships.
Distributors reviewing their Diamond 2 range usually find that quality control process explains most of the variance in results between accounts.
Documentation is not paperwork for its own sake; on quality control process it is the difference between a clean clearance and a delayed one.
Why quality control process matters on the Diamond 2
Incoming inspection sampling catches most issues before they reach shops.
In practice the decision comes down to three numbers: unit cost, freight per unit and the realistic sell through rate for Diamond 2.
Functional testing of a sample from each batch is standard practice.
Reference specification
| Item | Value |
|---|---|
| Model | Diamond 2 |
| Brand | Air Bar |
| Category | Vape Pens |
| Battery | 400 mAh |
| Output range | 12-30 W |
| Capacity | 2.0 ml |
| Charging | Magnetic dock |
| Coil options | 0.4 / 0.6 ohm |
| Carton quantity | 100 units |
Documented defect rates make supplier conversations objective.
Practical notes for buyers
The most common mistake is optimising for the first order instead of the fourth, which is where Diamond 2 economics actually settle.
Keeping a short internal note on quality control process for each SKU pays for itself the first time a dispute arises over the Diamond 2.
Checklist
- Retain one sealed sample carton from every batch for reference.
- Confirm the exact configuration in writing before the deposit is paid.
- Agree in advance who pays for return freight on a defect claim.
- Verify that artwork matches the approved compliance template.
- Record the arrival condition with photographs on the day of delivery.
- Request batch photographs and a packing list prior to shipment.
Commercial terms
Agreeing a defect handling procedure before the first shipment removes emotion from later conversations.
Currency movement over a ninety day cycle can outweigh the difference between two competing quotations.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (107 units) | Tier 1 | 30-45 days |
| Pallet (1661 units) | Tier 2 | 14-21 days |
| Container (12504 units) | Tier 3 | 7-12 days |
Frequently asked questions
What defect rate is acceptable for Diamond 2?
Industry practice works to a low single digit per thousand, with dead on arrival units replaced.
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.
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.
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.