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Buyer FAQ Guide for Air Bar Diamond 4
Published 2026 · VapeWholesaleHub trade desk

This buyer FAQ collects the questions distributors ask most often about Diamond 4.
Buyers who treat buyer faq as a commercial discipline rather than an afterthought tend to hold margin for longer.
Documentation is not paperwork for its own sake; on buyer faq it is the difference between a clean clearance and a delayed one.
Why buyer faq matters on the Diamond 4
Commercial questions usually arrive before technical ones in any sourcing cycle.
The most common mistake is optimising for the first order instead of the fourth, which is where Diamond 4 economics actually settle.
Clear answers early shorten the negotiation considerably.
Reference specification
| Item | Value |
|---|---|
| Model | Diamond 4 |
| Brand | Air Bar |
| Category | E-Liquids |
| Battery | 400 mAh |
| Output range | 8-30 W |
| Capacity | 5.0 ml |
| Charging | USB-C fast charge |
| Coil options | 0.6 / 0.8 / 1.0 ohm |
| Carton quantity | 100 units |
A written FAQ reduces repeated email rounds on both sides.
Practical notes for buyers
The most common mistake is optimising for the first order instead of the fourth, which is where Diamond 4 economics actually settle.
The most common mistake is optimising for the first order instead of the fourth, which is where Diamond 4 economics actually settle.
Checklist
- Log sell through by account for the first eight weeks.
- Request batch photographs and a packing list prior to shipment.
- Review the reorder point after one full selling cycle.
- Check carton quantities against the commercial invoice line by line.
- Retain one sealed sample carton from every batch for reference.
- Agree in advance who pays for return freight on a defect claim.
Commercial terms
Freight terms should be named explicitly, because an unclear incoterm is the fastest way to lose a relationship.
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 (65 units) | Tier 1 | 7-12 days |
| Pallet (1922 units) | Tier 2 | 30-45 days |
| Container (7999 units) | Tier 3 | 14-21 days |
Frequently asked questions
What information should a Diamond 4 enquiry include?
Model, quantity per SKU, destination, preferred incoterm and target delivery window.
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.
Can packaging be adjusted for our market?
Artwork localisation is straightforward; structural changes need larger volumes and a longer lead time.
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.
Final word
Start with one change, measure it over a quarter, then decide whether it deserves to become policy.
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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