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Air Bar Box 4: Supplier Audit Checklist for Distributors
Published 2026 · VapeWholesaleHub trade desk

A supplier audit checklist turns impressions of a Box 4 factory into comparable data.
The Box 4 has settled into a stable position in the range, which makes supplier audit checklist the natural next question for distributors.
Consistency across batches matters more than peak performance for Box 4, and supplier audit checklist is where inconsistency first appears.
Why supplier audit checklist matters on the Box 4
Production capacity, quality records and certification should be verified on site.
Documentation is not paperwork for its own sake; on supplier audit checklist it is the difference between a clean clearance and a delayed one.
Traceability of raw materials matters increasingly to downstream buyers.
Reference specification
| Item | Value |
|---|---|
| Model | Box 4 |
| Brand | Air Bar |
| Category | E-Liquids |
| Battery | 800 mAh |
| Output range | 8-40 W |
| Capacity | 3.0 ml |
| Charging | USB-C 1A |
| Coil options | 0.8 / 1.2 ohm |
| Carton quantity | 240 units |
Re auditing annually keeps the relationship honest.
Practical notes for buyers
Retail staff rarely ask about supplier audit checklist directly, but their questions almost always lead back to it.
Shops that receive a short briefing on supplier audit checklist convert noticeably better than shops that only receive stock.
Checklist
- Verify that artwork matches the approved compliance template.
- Retain one sealed sample carton from every batch for reference.
- Record the arrival condition with photographs on the day of delivery.
- Confirm the exact configuration in writing before the deposit is paid.
- Agree in advance who pays for return freight on a defect claim.
- Check carton quantities against the commercial invoice line by line.
Commercial terms
Commercial terms are usually agreed in three parts: a deposit on confirmation, a balance before shipment and a stated validity window.
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 (198 units) | Tier 1 | 7-12 days |
| Pallet (1820 units) | Tier 2 | 14-21 days |
| Container (15063 units) | Tier 3 | 14-21 days |
Frequently asked questions
What should a Box 4 supplier audit cover?
Capacity, quality control records, certifications, traceability and after sales responsiveness.
Is documentation provided for customs?
Commercial invoice, packing list and the relevant certificates are supplied; the importer's broker handles the declaration.
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
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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