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How to Source Freemax Rexa 4: Quality Control Process
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.
Retail staff rarely ask about quality control process directly, but their questions almost always lead back to it.
Why quality control process matters on the Rexa 4
Incoming inspection sampling catches most issues before they reach shops.
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.
Functional testing of a sample from each batch is standard practice.
Reference specification
| Item | Value |
|---|---|
| Model | Rexa 4 |
| Brand | Freemax |
| Category | Box Mods |
| Battery | 400 mAh |
| Output range | 5-60 W |
| Capacity | 3.0 ml |
| Charging | USB-C 1A |
| Coil options | 0.6 / 0.8 / 1.0 ohm |
| Carton quantity | 120 units |
Documented defect rates make supplier conversations objective.
Practical notes for buyers
Cash flow is the quiet constraint behind quality control process: the cheapest option is rarely the one that frees the most working capital.
Seasonality interacts with quality control process more than most forecasts allow for, so a rolling review beats an annual one.
Checklist
- Request batch photographs and a packing list prior to shipment.
- Record the arrival condition with photographs on the day of delivery.
- Confirm the exact configuration in writing before the deposit is paid.
- Verify that artwork matches the approved compliance template.
- Log sell through by account for the first eight weeks.
- Keep certificates current and filed against the exact model name.
Commercial terms
Commercial terms are usually agreed in three parts: a deposit on confirmation, a balance before shipment and a stated validity window.
Freight terms should be named explicitly, because an unclear incoterm is the fastest way to lose a relationship.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (108 units) | Tier 1 | 30-45 days |
| Pallet (1583 units) | Tier 2 | 14-21 days |
| Container (6749 units) | Tier 3 | 30-45 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 packaging be adjusted for our market?
Artwork localisation is straightforward; structural changes need larger volumes and a longer lead time.
Is documentation provided for customs?
Commercial invoice, packing list and the relevant certificates are supplied; the importer's broker handles the declaration.
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.
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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