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How to Source Freemax Marvos 4: Quality Control Process
Published 2026 · VapeWholesaleHub trade desk
Quality control is where a Marvos 4 order either protects or damages downstream relationships.
Wholesale demand in this category is driven less by novelty than by consistency, and quality control process is where that consistency is measured.
Where two suppliers look identical on price, quality control process is usually the variable that separates them over a full year.
Why quality control process matters on the Marvos 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 | Marvos 4 |
| Brand | Freemax |
| Category | Local Supply |
| Battery | 1100 mAh |
| Output range | 10-25 W |
| Capacity | 6.0 ml |
| Charging | USB-C 1A |
| 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 Marvos 4 economics actually settle.
In practice the decision comes down to three numbers: unit cost, freight per unit and the realistic sell through rate for Marvos 4.
Checklist
- Check carton quantities against the commercial invoice line by line.
- Retain one sealed sample carton from every batch for reference.
- Agree in advance who pays for return freight on a defect claim.
- Request batch photographs and a packing list prior to shipment.
- Record the arrival condition with photographs on the day of delivery.
- Log sell through by account for the first eight weeks.
Commercial terms
Agreeing a defect handling procedure before the first shipment removes emotion from later conversations.
Agreeing a defect handling procedure before the first shipment removes emotion from later conversations.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (140 units) | Tier 1 | 7-12 days |
| Pallet (600 units) | Tier 2 | 14-21 days |
| Container (17242 units) | Tier 3 | 7-12 days |
Frequently asked questions
What defect rate is acceptable for Marvos 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.
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
If only one thing changes after reading this, let it be the habit of checking quality control process before reordering.
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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