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Air Bar Zen 4 Supplier Audit Checklist Insights 2026
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.
In practice the decision comes down to three numbers: unit cost, freight per unit and the realistic sell through rate for Zen 4.
Why supplier audit checklist matters on the Zen 4
Production capacity, quality records and certification should be verified on site.
In practice the decision comes down to three numbers: unit cost, freight per unit and the realistic sell through rate for Zen 4.
Traceability of raw materials matters increasingly to downstream buyers.
Reference specification
| Item | Value |
|---|---|
| Model | Zen 4 |
| Brand | Air Bar |
| Category | Disposable Vapes |
| Battery | 800 mAh |
| Output range | 5-30 W |
| Capacity | 4.0 ml |
| Charging | USB-C 1A |
| Coil options | 0.4 / 0.6 ohm |
| Carton quantity | 50 units |
Re auditing annually keeps the relationship honest.
Practical notes for buyers
Consistency across batches matters more than peak performance for Zen 4, and supplier audit checklist is where inconsistency first appears.
In practice the decision comes down to three numbers: unit cost, freight per unit and the realistic sell through rate for Zen 4.
Checklist
- Record the arrival condition with photographs on the day of delivery.
- Request batch photographs and a packing list prior to shipment.
- Verify that artwork matches the approved compliance template.
- Check carton quantities against the commercial invoice line by line.
- Log sell through by account for the first eight weeks.
- Retain one sealed sample carton from every batch for reference.
Commercial terms
Most long running accounts settle into a rhythm of monthly top ups with one larger seasonal build per year.
Most long running accounts settle into a rhythm of monthly top ups with one larger seasonal build per year.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (110 units) | Tier 1 | 7-12 days |
| Pallet (972 units) | Tier 2 | 21-30 days |
| Container (6389 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.
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.
How quickly can a repeat order be produced?
For established configurations production typically runs two to four weeks, with transit on top depending on the chosen method.
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.
Final word
If only one thing changes after reading this, let it be the habit of checking supplier audit checklist before reordering.
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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