Home › E-Liquids › Zen 4

Air Bar Zen 4 Private Label Options for Bulk Buyers

Published 2026 · VapeWholesaleHub trade desk

Private label programmes give distributors control over the Zen 4 proposition.

Every serious sourcing conversation about the Zen 4 eventually arrives at private label options, usually because it is where cost and risk meet.

Consistency across batches matters more than peak performance for Zen 4, and private label options is where inconsistency first appears.

Why private label options matters on the Zen 4

Branding, packaging and flavour naming can all be tailored.

Documentation is not paperwork for its own sake; on private label options it is the difference between a clean clearance and a delayed one.

Exclusivity agreements usually require volume commitments.

Reference specification

Item	Value
Model	Zen 4
Brand	Air Bar
Category	E-Liquids
Battery	400 mAh
Output range	10-60 W
Capacity	5.0 ml
Charging	USB-C 2A
Coil options	0.6 / 0.8 / 1.0 ohm
Carton quantity	200 units

Registration of the brand in target markets should start early.

Practical notes for buyers

In practice the decision comes down to three numbers: unit cost, freight per unit and the realistic sell through rate for Zen 4.

Cash flow is the quiet constraint behind private label options: the cheapest option is rarely the one that frees the most working capital.

Checklist

Request batch photographs and a packing list prior to shipment.
Log sell through by account for the first eight weeks.
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.
Keep certificates current and filed against the exact model name.

Commercial terms

Payment history is the single most reliable route to better terms, more than total annual volume.

Lead times are a function of component availability as much as factory capacity, so buffers should reflect both.

Volume tier	Indicative unit level	Lead time
Carton (78 units)	Tier 1	21-30 days
Pallet (964 units)	Tier 2	30-45 days
Container (8846 units)	Tier 3	7-12 days

All figures above are indicative working ranges used for planning. Final specification and commercial terms are confirmed in writing before any deposit.

Frequently asked questions

Can Zen 4 be supplied under our own brand?

Yes, subject to volume; artwork and colour changes are the usual starting point.

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.

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

If only one thing changes after reading this, let it be the habit of checking private label options before reordering.

Trade enquiry

Quotations, samples and artwork files are available on request. Please state model, quantity per SKU, destination and target delivery window.

Tel: +86 13711127975WhatsApp: +86 13711127975WeChat: +86 13711127975