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Wholesale Guide

Cartridge Documentation Pack for Customs Brokers — Private Label Programmes

Published 2026-07-18 · 5 min read · by the VapeWholesaleHub sourcing team

If you are comparing cartridge suppliers right now, you are probably looking at three quotes that look identical and cost very different amounts. That gap usually comes down to cell grade, coil consistency and how honest the factory is about tolerances. Let us unpack it.

Cartridge product overview
Reference view of the cartridge line prepared for wholesale evaluation.

How Cartridge Batches Are Checked

AQL sampling gets a lot of attention, but for cartridge the more useful habit is simply measuring the same three things on every single batch. Trend lines catch problems that pass/fail checks miss.

Inspection is only useful if the result is recorded somewhere you can find it later. A cartridge batch log with weights, codes and measurements turns a future complaint into a five minute lookup.

What to Fix Before Approving Cartridge

Ask for the cartridge specification in the same units you intend to measure in. A metric quoted in a form you cannot verify on arrival is not a specification, it is a claim.

Reference specification for Cartridge orders
Product categoryPod system
Resistance band0.6 - 0.8 ohm
Capacity tolerance+/- 2%
Puff count methodMachine cycle 2s on / 18s off
Master carton200 units
Carton weight5.7 kg
Shelf life24 months
Storage15-25 C, dry, away from direct light

Pricing and Margin

Build cartridge price tiers around order sizes your customers actually place. Tiers that only make sense on a spreadsheet get ignored, and you end up discounting ad hoc instead.

Indicative reference points for planning purposes: entry tier from USD 2.34 per unit at 500 units, mid tier at USD 1.88, and volume tier at USD 0.83 for full container quantities. These figures move with specification, packaging and freight, so treat them as a shape rather than a quote.

Selling Cartridge at Store Level

Online, the listing for cartridge should answer three questions without scrolling: what it is, how strong it is, and what it tastes like. Everything else belongs further down the page.

Put cartridge where the decision is made, not where the margin is highest. In most stores that means near the counter or at eye level in the category, rather than wherever there is spare space.

Where Demand Is Heading

The most durable cartridge lines over the last few years have been unglamorous and consistent. Novelty sells once; reliability sells every month.

The cartridge category is consolidating around suppliers who can document what they ship. Buyers who built that requirement into their process early are now finding it much easier to scale.

Where Cartridge Sits in the Range

Category planning for cartridge works best when you map it against three shopper types: the restocker who already knows what they want, the switcher who wants something stronger, and the explorer who buys on flavour name alone.

Cartridge rewards retailers who can explain it in one sentence. If your team needs a paragraph, the range is too complicated for the space it occupies.

Practical Checklist

Frequently Asked Questions

What is the usual minimum order for cartridge?

For a standard production run the minimum is normally one master carton per flavour, though mixed cartons can be arranged for a first order. If you are testing the line, ask about a sample pack first and treat the freight as part of your research budget.

Can the packaging be customised?

Yes. Most cartridge programmes use private label packaging once volumes justify the printing plate. We supply dielines, check your artwork for print issues and hold approved files so reorders need no new setup.

How are price changes handled on repeat orders?

{K} pricing is reviewed against input costs and volume rather than adjusted casually. Any change is confirmed in writing before the next order is scheduled, with the reason stated so you can judge it yourself.

Do you provide compliance documents?

Every shipment leaves with the documentation set relevant to your market, including batch records and test reports where required. Your local rules still determine what you must file, so confirm those with your broker before import.

Next Step

Send us your current cartridge specification even if you are not planning to move suppliers. A second read of a document you use every month is usually worth the ten minutes.

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