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Air Bar Zen 4: Supplier Audit Checklist for Distributors
Published 2026 · VapeWholesaleHub trade desk
A supplier audit checklist turns impressions of a Zen 4 factory into comparable data.
The Zen 4 has settled into a stable position in the range, which makes supplier audit checklist the natural next question for distributors.
Retail staff rarely ask about supplier audit checklist directly, but their questions almost always lead back to it.
Why supplier audit checklist matters on the Zen 4
Production capacity, quality records and certification should be verified on site.
Keeping a short internal note on supplier audit checklist for each SKU pays for itself the first time a dispute arises over the Zen 4.
Traceability of raw materials matters increasingly to downstream buyers.
Reference specification
| Item | Value |
|---|---|
| Model | Zen 4 |
| Brand | Air Bar |
| Category | E-Juice |
| Battery | 1000 mAh |
| Output range | 5-80 W |
| Capacity | 5.0 ml |
| Charging | Magnetic dock |
| Coil options | 1.0 / 1.2 ohm |
| Carton quantity | 200 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.
Keeping a short internal note on supplier audit checklist for each SKU pays for itself the first time a dispute arises over the Zen 4.
Checklist
- Agree in advance who pays for return freight on a defect claim.
- Log sell through by account for the first eight weeks.
- Confirm the exact configuration in writing before the deposit is paid.
- Request batch photographs and a packing list prior to shipment.
- Keep certificates current and filed against the exact model name.
- Verify that artwork matches the approved compliance template.
Commercial terms
Payment history is the single most reliable route to better terms, more than total annual volume.
Agreeing a defect handling procedure before the first shipment removes emotion from later conversations.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (178 units) | Tier 1 | 14-21 days |
| Pallet (1872 units) | Tier 2 | 7-12 days |
| Container (17370 units) | Tier 3 | 21-30 days |
Frequently asked questions
What should a Zen 4 supplier audit cover?
Capacity, quality control records, certifications, traceability and after sales responsiveness.
Do you support long term supply agreements?
Yes, rolling agreements with defined review points work better for both sides than rigid annual commitments.
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.
Is documentation provided for customs?
Commercial invoice, packing list and the relevant certificates are supplied; the importer's broker handles the declaration.
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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