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Mod Approval Workflow From Sample to Shipment — Replenishment Cycles

Published 2026-05-17 · 6 min read · by the VapeWholesaleHub sourcing team

We ship mod to distributors in very different markets, and the same five questions come up almost every week. Rather than answer them in email each time, we have written them out properly here.

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

How Mod Fits the Assortment

Think about where mod sits in your customer's week. If it is a weekly restock, breadth matters less than availability. If it is an occasional treat, flavour range and display story carry more weight.

One useful exercise: list every mod line you stock and mark the last date each one sold at full price. Anything without a recent full price sale is taking space from something that would use it better.

Quality Control in Practice

Random checks are fine, but weight the sample towards the start and end of a mod production run. Those are where a line is most likely to drift.

Market Signals

Expect mod packaging requirements to keep tightening. Designs that leave room for additional labelling age better than tight layouts that need a full reprint to comply.

Turning Mod Into Repeats

Online, shoot mod at a consistent scale across the range. Customers compare by eye, and inconsistent product photography creates returns that have nothing to do with the product.

What to Fix Before Approving Mod

Ask for the mod 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.

Specification sheets are where a mod deal is won or quietly lost. Two samples can look and taste the same while using different coil wire, different wicking density and different tolerances on the mouthpiece. Those details decide how the unit behaves in week three rather than minute three.

Reference specification for Mod orders
Product categoryPod system
Resistance band0.6 - 0.8 ohm
Capacity tolerance+/- 3%
Puff count methodMachine cycle 2s on / 18s off
Master carton240 units
Carton weight3.8 kg
Shelf life24 months
Storage15-25 C, dry, away from direct light

Freight, Customs and Timing

Customs classification for mod 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.

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.

Practical Checklist

Frequently Asked Questions

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.

Can you match an existing product I already sell?

Often yes, provided we can measure it properly. Send a physical sample and we will report back on what can be matched, what will differ slightly, and why. An honest gap is more useful than a vague promise.

Is there a warranty on mod?

Manufacturing defects are covered against the retained sample standard. Normal wear, misuse and damage after opening are not. We publish the threshold in the order terms so both sides know exactly what the claim process looks like.

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.

Next Step

Send us your current mod 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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