Home › Articles › Mods Quality Control: Tests We Run Before Dispatch — Private Label Programmes
Wholesale Guide

Mods Quality Control: Tests We Run Before Dispatch — Private Label Programmes

Published 2026-01-19 · 6 min read · by the VapeWholesaleHub sourcing team

We ship mods 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.

Mods product overview
Reference view of the mods line prepared for wholesale evaluation.

Where Demand Is Heading

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

Pricing and Margin

Margin on mods is rarely lost at the till. It is lost through dead stock, returns and emergency air freight. A slightly higher landed cost with predictable lead time usually beats the cheapest quote on the spreadsheet.

Margin on mods is rarely lost at the till. It is lost through dead stock, returns and emergency air freight. A slightly higher landed cost with predictable lead time usually beats the cheapest quote on the spreadsheet.

Indicative reference points for planning purposes: entry tier from USD 1.46 per unit at 1000 units, mid tier at USD 1.64, and volume tier at USD 1.13 for full container quantities. These figures move with specification, packaging and freight, so treat them as a shape rather than a quote.

Where Mods Sits in the Range

Category planning for mods 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.

The Specification That Matters

Ask for the mods 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.

Pay attention to how a mods supplier responds when you ask for a tolerance they do not want to commit to. The hesitation is usually more informative than the eventual answer.

Reference specification for Mods orders
Product categoryAccessory
Resistance band1.2 - 1.4 ohm
Capacity tolerance+/- 2%
Puff count methodDeclared by capacity
Master carton300 units
Carton weight6.0 kg
Shelf life12 months
Storage15-25 C, dry, away from direct light

How Mods 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.

Mods shipment handling
Handling notes applied to every palletised mods order.

Practical Checklist

Frequently Asked Questions

What is the usual minimum order for mods?

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.

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.

Do you hold stock for regular customers?

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

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.

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.

Next Step

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

Phone+86 13711127975
WeChat+86 13711127975
WhatsApp+86 13711127975

Related Reading