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Freemax Rexa 4 Quality Control Process Explained
Published 2026 · VapeWholesaleHub trade desk
Quality control is where a Rexa 4 order either protects or damages downstream relationships.
Between the factory gate and the retail shelf, quality control process is where most of the value on the Rexa 4 is either created or lost.
In practice the decision comes down to three numbers: unit cost, freight per unit and the realistic sell through rate for Rexa 4.
Why quality control process matters on the Rexa 4
Incoming inspection sampling catches most issues before they reach shops.
Shops that receive a short briefing on quality control process convert noticeably better than shops that only receive stock.
Functional testing of a sample from each batch is standard practice.
Reference specification
| Item | Value |
|---|---|
| Model | Rexa 4 |
| Brand | Freemax |
| Category | Local Supply |
| Battery | 800 mAh |
| Output range | 8-25 W |
| Capacity | 1.0 ml |
| Charging | USB-C fast charge |
| Coil options | 0.6 / 0.8 / 1.0 ohm |
| Carton quantity | 200 units |
Documented defect rates make supplier conversations objective.
Practical notes for buyers
A written internal standard for quality control process makes onboarding new account managers far quicker and reduces avoidable errors.
The most common mistake is optimising for the first order instead of the fourth, which is where Rexa 4 economics actually settle.
Checklist
- Agree in advance who pays for return freight on a defect claim.
- Verify that artwork matches the approved compliance template.
- Retain one sealed sample carton from every batch for reference.
- Record the arrival condition with photographs on the day of delivery.
- Check carton quantities against the commercial invoice line by line.
- 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.
Currency movement over a ninety day cycle can outweigh the difference between two competing quotations.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (136 units) | Tier 1 | 14-21 days |
| Pallet (1610 units) | Tier 2 | 7-12 days |
| Container (9361 units) | Tier 3 | 7-12 days |
Frequently asked questions
What defect rate is acceptable for Rexa 4?
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.
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.
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.
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