A pre-production meeting is where the buyer and the factory convert an approved sample and a purchase order into a frozen production specification. Its job: lock every detail production will be judged against, close every open item with an owner and a date, and end with signed artefacts both sides keep — the written twin of the sealed golden sample. Orders that skip it make the same decisions later, on the floor, where changes cost the most.
Key Takeaways
- The meeting’s output is a frozen spec: configuration, components, software, labels, packaging, testing and packing — each with a signed artefact.
- Unresolved items go in an open-item log with an owner, a deadline and a written fallback; safety items can only default to stop.
- After the freeze, every change is a written change note approved by both sides.
- If it is not in the signed record, it was not agreed — chat history is not a specification.
The Spec Freeze List: What Gets Locked
Work through the freeze list item by item — nothing is “understood” until it is in the signed record:
| Area | What gets frozen | Artefact that proves it |
|---|---|---|
| Electrical configuration | Model and variant, rated current and power, connector, plug, cable length | Signed specification sheet |
| Components | Approved parts and suppliers for safety-critical components; no silent substitutions | Component list attached to the spec |
| Software | Firmware version; app version for app-connected models | Version recorded on the spec sheet |
| Labels and manual | Rating label content and language, warning text, manual edition | Signed, dated print proofs |
| Branding and packaging | Logo application, box print version, inserts, accessories in the sales set | Packaging proof matching the golden sample |
| Testing | End-of-line tests every unit passes, and the order’s sampling plan | Written test plan in the order |
| Packing and shipping | Carton quantities, shipping marks, serial ranges per shipment | Packing specification in the order |
Variants are where freezes fail quietly. The EV-ACS4005T, for example, is listed with a 25 ft or 28 ft cable — the freeze must name which one this order ships, because “the usual one” is not a specification. Adjustable current settings are agreed and recorded the same way.
The Open-Item Log: Nothing Leaves as “To Be Confirmed”
Some items cannot be frozen on the day. Those go into an open-item log, and the log has rules:
- Every item has an owner. A named person, not “the factory” or “the buyer”.
- Every item has a deadline before the stage it blocks — a label proof closes before printing, not before shipping.
- Every item has a default. Unresolved by the deadline, the agreed fallback applies or production waits — an unwritten fallback means the deadline means nothing.
- Safety and certification items cannot default. If an open item touches the rating label, a protection component or a certificate, the only default is stop.
Agree the change rule in the same meeting: after the freeze, any change — component, firmware, label, packaging — is a written change note approved by both sides before it reaches the order — the rule that keeps spec and golden sample describing the same product months later. Our factory audit checklist covers testing a factory’s paperwork discipline before this stage.
What You Should Hold Afterwards
The meeting is done when both sides hold the same artefacts: signed spec sheet with component list, approved label and packaging proofs, test plan, open-item log, change rule. If any exists only as a chat message, the meeting is not finished. These documents are also what pre-shipment inspection is checked against. Sample evaluation comes first: our guide to testing an EV charger sample before a bulk order covers the checks a unit should pass.
Pre-Production Meetings With EVDANCE
EVDANCE is a Shenzhen manufacturer founded in 2011, exporting to more than 30 countries, with private label from 100 units — which is why branding and packaging sit on the freeze list, not in a side conversation. Buyers can run this agenda with the EVDANCE team before an order starts, each item closed or logged with an owner. Start through the OEM and private-label program or contact us with the model and variant you intend to freeze.
Frequently Asked Questions
When should the pre-production meeting happen?
After sample approval and before materials are ordered. Earlier, sample decisions are unsettled; later, component orders may already reflect assumptions the freeze was meant to test.
Who should attend from each side?
From the buyer: whoever can sign off spec, branding and commercial terms — split authority leaves items “to be confirmed” by someone absent. From the factory: the engineer who owns the configuration and the person who owns the schedule, not only the salesperson.
What if an item genuinely cannot be frozen yet?
Log it — owner, deadline, fallback — and check whether it blocks a stage. A packaging insert can close late; a rating label or protection component cannot. If it touches safety or certification, production waits.
Related Reading
- EV Charger Factory Audit Checklist for Importers
- How to Test an EV Charger Sample Before Placing a Bulk Order
- Pre-Shipment Inspection and AQL Sampling for EV Charger Orders
