OEM and bulk purchasing · Factory review

How to Evaluate an EV Charging Gun Factory

Quality manager reviewing EV charging gun factory assembly and inspection records

This checklist is for importer sourcing and quality teams conducting an onsite or remote factory review. Focus on whether the factory can repeat an approved model and show the records behind it.

Begin with one real order path

Pick a representative charging gun or cable assembly and follow it from incoming material to packed product. Ask how model code, revision, connector, cable, termination, label and packaging are linked across records.

Review incoming material control

For connectors, terminals, cable, seals, housings and labels, check lot identification, acceptance criteria, nonconforming material handling and traceability. A connector that looks similar to the approved part needs a controlled identification method.

Follow assembly and termination steps

Review cable preparation, termination, strain relief, housing assembly and marking. Compare the current work instruction with the product being assembled, and ask what happens after an engineering change.

Check testing and final inspection records

AreaUseful evidence
Product identityModel, revision, order and batch link
Incoming inspectionLot record and acceptance result
AssemblyCurrent instruction and in-process check
TestingTest item, equipment and result
Final inspectionAppearance, marking, accessories and packing
Change controlReview and buyer approval where required

Test the change-control conversation

Ask what happens if a cable-jacket supplier proposes a replacement. A useful answer includes technical review, document updates, validation needs and customer notification where the approved product could change.

Close the audit with open actions

List missing evidence, owners and due dates. Certification, capacity, MOQ, lead time and available configurations must be verified for the actual model and order.

Review AC charging cable options or prepare a factory review.

FAQ

Is a factory video enough for evaluation?

It can support an early review. A live walkthrough and sampled records are more useful for product-specific details.

Which record should connect the whole process?

The model and revision identity should connect the quote, drawing, sample, production instructions, inspection and packing records.