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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.
Keeping a short internal note on quality control process for each SKU pays for itself the first time a dispute arises over the Rexa 4.
Why quality control process matters on the Rexa 4
Incoming inspection sampling catches most issues before they reach shops.
Retail staff rarely ask about quality control process directly, but their questions almost always lead back to it.
Functional testing of a sample from each batch is standard practice.
Reference specification
| Item | Value |
|---|---|
| Model | Rexa 4 |
| Brand | Freemax |
| Category | Vape Pens |
| Battery | 1500 mAh |
| Output range | 5-40 W |
| Capacity | 1.2 ml |
| Charging | USB-C fast charge |
| Coil options | 0.4 / 0.6 ohm |
| Carton quantity | 50 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 Rexa 4 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 Rexa 4.
Checklist
- Retain one sealed sample carton from every batch for reference.
- Check carton quantities against the commercial invoice line by line.
- Request batch photographs and a packing list prior to shipment.
- Log sell through by account for the first eight weeks.
- Confirm the exact configuration in writing before the deposit is paid.
- Review the reorder point after one full selling cycle.
Commercial terms
Most long running accounts settle into a rhythm of monthly top ups with one larger seasonal build per year.
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 (84 units) | Tier 1 | 7-12 days |
| Pallet (1821 units) | Tier 2 | 21-30 days |
| Container (15577 units) | Tier 3 | 21-30 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.
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.
Is documentation provided for customs?
Commercial invoice, packing list and the relevant certificates are supplied; the importer's broker handles the declaration.
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.
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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