HomeArticlesMod Counterfeit Risk and Serialisation — a Printable Checklist
Wholesale Guide

Mod Counterfeit Risk and Serialisation — a Printable Checklist

Published 2026-04-16 · 7 min read · by the VapeWholesaleHub sourcing team

Buyers often ask us to explain why two mod samples that look identical behave differently after a month. The answer is almost always tolerance control, and it is more interesting than it sounds.

Mod product overview
Reference view of the mod line prepared for wholesale evaluation.

Getting Mod to Your Warehouse

Plan the mod customs paperwork at the same time as the order, not when the goods are on the water. A missing document costs more in demurrage than the entire freight saving from a cheap forwarder.

Model mod freight both ways before choosing a method: cost per unit and cost per week of delay. The second figure is the one that decides whether a cheap option was actually cheap.

Mod logistics and packing
Master carton configuration used for mod shipments.

The Specification That Matters

Ask any factory for the same mod sample twice, three months apart. If the second sample drifts, the production line is running without statistical control and your reviews will drift with it. Consistency over time is a more useful signal than a single good sample.

Two specifications that matter more than buyers expect: the seal integrity after a drop test and the consistency of the draw from first use to last. Both are measurable before you commit to volume.

Reference specification for Mod orders
Product categoryRefillable kit
Resistance band0.6 - 0.8 ohm
Capacity tolerance+/- 5%
Puff count methodMachine cycle 3s on / 27s off
Master carton120 units
Carton weight3.9 kg
Shelf life18 months
Storage15-25 C, dry, away from direct light

Modelling a Healthy Margin

Tiered pricing works best when the tiers match real customer behaviour. Most mod buyers will take the second tier if the step is modest and the third tier only if they can see a genuine reason to hold more stock.

Indicative reference points for planning purposes: entry tier from USD 1.41 per unit at 2000 units, mid tier at USD 1.76, and volume tier at USD 1.24 for full container quantities. These figures move with specification, packaging and freight, so treat them as a shape rather than a quote.

How Mod Batches Are Checked

The defect rate that matters is the one your customer experiences, not the one the factory reports. Bridge that gap by inspecting the way a customer would open the box, not the way a line worker packs it.

Where Demand Is Heading

Flavour cycles in mod are shortening, which argues for smaller test orders and faster feedback loops rather than large speculative buys on a predicted winner.

Practical Checklist

Frequently Asked Questions

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.

How should mod be stored?

Cool, dry and out of direct sunlight. Heat and light are the two things that shorten shelf life fastest. Rotate stock by batch code rather than by arrival date, and keep cartons off concrete floors in humid warehouses.

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.

Do you hold stock for regular customers?

For established programmes we can reserve production slots and, in some cases, hold finished mod stock against a forecast. It removes most of the lead time risk from a reorder and is worth discussing once volumes are stable.

Next Step

If you take one thing from this page, take the retained sample habit. It costs a few units per batch and it is the difference between a disagreement and a decision.

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