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Supplier Audit Checklist Guide for Air Bar Zen 4
Published 2026 · VapeWholesaleHub trade desk

A supplier audit checklist turns impressions of a Zen 4 factory into comparable data.
What follows is a practical view of supplier audit checklist for the Zen 4, written for people who place repeat orders rather than one off buys.
Where two suppliers look identical on price, supplier audit checklist is usually the variable that separates them over a full year.
Why supplier audit checklist matters on the Zen 4
Production capacity, quality records and certification should be verified on site.
Retail staff rarely ask about supplier audit checklist directly, but their questions almost always lead back to it.
Traceability of raw materials matters increasingly to downstream buyers.
Reference specification
| Item | Value |
|---|---|
| Model | Zen 4 |
| Brand | Air Bar |
| Category | Local Supply |
| Battery | 900 mAh |
| Output range | 8-60 W |
| Capacity | 2.0 ml |
| Charging | USB-C 2A |
| Coil options | 0.6 / 0.8 / 1.0 ohm |
| Carton quantity | 240 units |
Re auditing annually keeps the relationship honest.
Practical notes for buyers
Cash flow is the quiet constraint behind supplier audit checklist: the cheapest option is rarely the one that frees the most working capital.
Where two suppliers look identical on price, supplier audit checklist is usually the variable that separates them over a full year.
Checklist
- Review the reorder point after one full selling cycle.
- Record the arrival condition with photographs on the day of delivery.
- Retain one sealed sample carton from every batch for reference.
- Confirm the exact configuration in writing before the deposit is paid.
- Request batch photographs and a packing list prior to shipment.
- Agree in advance who pays for return freight on a defect claim.
Commercial terms
Most long running accounts settle into a rhythm of monthly top ups with one larger seasonal build per year.
Freight terms should be named explicitly, because an unclear incoterm is the fastest way to lose a relationship.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (93 units) | Tier 1 | 30-45 days |
| Pallet (1450 units) | Tier 2 | 14-21 days |
| Container (13488 units) | Tier 3 | 30-45 days |
Frequently asked questions
What should a Zen 4 supplier audit cover?
Capacity, quality control records, certifications, traceability and after sales responsiveness.
What happens if a batch fails inspection?
The agreed procedure normally covers replacement of affected units or credit against the next order, documented before shipment.
Do you support long term supply agreements?
Yes, rolling agreements with defined review points work better for both sides than rigid annual commitments.
Can several models be mixed in one shipment?
Yes, mixing models and flavours within a carton or pallet is common and usually helps first time buyers test demand.
Final word
A short quarterly review of these points will keep the Zen 4 range healthy without consuming the week.
Trade enquiry
Quotations, samples and artwork files are available on request. Please state model, quantity per SKU, destination and target delivery window.
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