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Freemax Rexa 4 Quality Control Process Insights 2026

Published 2026 · VapeWholesaleHub trade desk

Quality control is where a Rexa 4 order either protects or damages downstream relationships.

Distributors reviewing their Rexa 4 range usually find that quality control process explains most of the variance in results between accounts.

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.

In practice the decision comes down to three numbers: unit cost, freight per unit and the realistic sell through rate for Rexa 4.

Functional testing of a sample from each batch is standard practice.

Reference specification

Item	Value
Model	Rexa 4
Brand	Freemax
Category	Pod Systems
Battery	1300 mAh
Output range	12-30 W
Capacity	5.0 ml
Charging	USB-C 2A
Coil options	0.4 / 0.6 ohm
Carton quantity	50 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.

Where two suppliers look identical on price, quality control process is usually the variable that separates them over a full year.

Checklist

Keep certificates current and filed against the exact model name.
Retain one sealed sample carton from every batch for reference.
Agree in advance who pays for return freight on a defect claim.
Check carton quantities against the commercial invoice line by line.
Verify that artwork matches the approved compliance template.
Review the reorder point after one full selling cycle.

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 (178 units)	Tier 1	7-12 days
Pallet (888 units)	Tier 2	21-30 days
Container (7391 units)	Tier 3	30-45 days

All figures above are indicative working ranges used for planning. Final specification and commercial terms are confirmed in writing before any deposit.

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.

Do you support long term supply agreements?

Yes, rolling agreements with defined review points work better for both sides than rigid annual commitments.

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.

Final word

A short quarterly review of these points will keep the Rexa 4 range healthy without consuming the week.

Trade enquiry

Quotations, samples and artwork files are available on request. Please state model, quantity per SKU, destination and target delivery window.

Tel: +86 13711127975WhatsApp: +86 13711127975WeChat: +86 13711127975