Home › E-Liquids › Flux 4
Air Bar Flux 4 Quality Control Process Checklist 2026
Published 2026 · VapeWholesaleHub trade desk
Quality control is where a Flux 4 order either protects or damages downstream relationships.
Across the trade, quality control process is the point where good intentions meet operational reality on the Flux 4.
Keeping a short internal note on quality control process for each SKU pays for itself the first time a dispute arises over the Flux 4.
Why quality control process matters on the Flux 4
Incoming inspection sampling catches most issues before they reach shops.
Freight consolidation changes the answer to quality control process at container scale, which is why small and large buyers reach different conclusions.
Functional testing of a sample from each batch is standard practice.
Reference specification
| Item | Value |
|---|---|
| Model | Flux 4 |
| Brand | Air Bar |
| Category | E-Liquids |
| Battery | 800 mAh |
| Output range | 10-60 W |
| Capacity | 4.0 ml |
| Charging | USB-C 1A |
| Coil options | 0.8 / 1.2 ohm |
| Carton quantity | 120 units |
Documented defect rates make supplier conversations objective.
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 Flux 4.
Cash flow is the quiet constraint behind quality control process: the cheapest option is rarely the one that frees the most working capital.
Checklist
- Confirm the exact configuration in writing before the deposit is paid.
- Agree in advance who pays for return freight on a defect claim.
- Review the reorder point after one full selling cycle.
- Log sell through by account for the first eight weeks.
- Record the arrival condition with photographs on the day of delivery.
- Retain one sealed sample carton from every batch for reference.
Commercial terms
Freight terms should be named explicitly, because an unclear incoterm is the fastest way to lose a relationship.
Lead times are a function of component availability as much as factory capacity, so buffers should reflect both.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (79 units) | Tier 1 | 21-30 days |
| Pallet (1955 units) | Tier 2 | 14-21 days |
| Container (6183 units) | Tier 3 | 14-21 days |
Frequently asked questions
What defect rate is acceptable for Flux 4?
Industry practice works to a low single digit per thousand, with dead on arrival units replaced.
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.
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
Start with one change, measure it over a quarter, then decide whether it deserves to become policy.
Trade enquiry
Quotations, samples and artwork files are available on request. Please state model, quantity per SKU, destination and target delivery window.