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Wholesale Guide

Cartridge Tamper Evidence and Seal Integrity — Plain Language

Published 2026-06-18 · 7 min read · by the VapeWholesaleHub sourcing team

Most first time importers of cartridge ask the same five questions. This page answers them in the order they usually arrive, with the numbers we quote internally rather than round marketing claims.

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

The Specification That Matters

Revisit the cartridge specification after every third order. Small improvements compound, and factories take a buyer more seriously when the document has clearly been used.

Reference specification for Cartridge orders
Product categoryDisposable
Resistance band0.8 - 1.0 ohm
Capacity tolerance+/- 5%
Puff count methodMachine cycle 2s on / 18s off
Master carton240 units
Carton weight6.8 kg
Shelf life18 months
Storage15-25 C, dry, away from direct light

Where Demand Is Heading

One shift worth planning for: shorter cartridge reorder cycles with smaller average drops. It favours suppliers with flexible production slots over those who only want large annual commitments.

Merchandising and Listing Tips

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.

Use your cartridge staff training time on the two questions customers actually ask. Anything more detailed gets forgotten by the second shift.

Pricing and Margin

When you model cartridge pricing, build in a realistic shrink figure. Even a well run line loses a small percentage to damage, expiry and sampling. Pretending that number is zero is how a healthy looking margin turns negative.

When you model cartridge pricing, build in a realistic shrink figure. Even a well run line loses a small percentage to damage, expiry and sampling. Pretending that number is zero is how a healthy looking margin turns negative.

Indicative reference points for planning purposes: entry tier from USD 2.17 per unit at 500 units, mid tier at USD 0.97, and volume tier at USD 1.11 for full container quantities. These figures move with specification, packaging and freight, so treat them as a shape rather than a quote.

Logistics That Protect Margin

Customs classification for cartridge varies by market and changes from time to time. We ship with full documentation, but your broker should confirm the current code before your first order rather than after it lands.

Cartridge logistics and packing
Master carton configuration used for cartridge shipments.

Quality Control in Practice

Most defects in cartridge are not dramatic. They are loose tolerances, a slightly thin seal, a mouthpiece that clicks. Left alone they turn into leak complaints, which are the single most common reason a retailer drops a line.

The cheapest quality control step is a retained sample. Keeping three sealed units from every cartridge batch costs almost nothing and turns any dispute into a simple comparison instead of an argument over photographs.

Practical Checklist

Frequently Asked Questions

Can I visit the production facility?

Yes, and we encourage it for larger programmes. Visits are most useful when you already have a draft specification, because you can then check the specific processes behind the numbers you care about.

Can I mix strengths in one order?

In most cases yes, as long as each strength meets the minimum run length. Mixed strength cartons are popular with retailers building their first display because they show the full ladder without over committing.

What does a sample pack usually include?

A typical cartridge sample pack covers the strengths or variants you are most likely to list, packed so you can evaluate them side by side. Tell us which lines you are considering and we will match the pack to that rather than sending a generic selection.

What happens if my market changes its rules?

Regulations move, and packaging or documentation sometimes has to follow. We keep approved artwork files on hand so that a required change is a reprint rather than a redesign, which keeps the cost and delay down.

How do you handle a short shipment?

Cartons are counted and weighed before dispatch and the figures are shared with you. If something is short on arrival, the packing record and the carrier documentation are both available, which keeps the claim straightforward.

Next Step

Whatever you decide, decide it against numbers you can check on arrival. That single discipline removes most of the risk from importing cartridge.

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