How to Approve a China Supplier Sample Before Mass Production

“Sample OK” is not a production standard

A sample can look right and still leave the important question unanswered: what, exactly, will the supplier reproduce?

Before approving a China supplier sample, turn it into a controlled reference. Give it an ID, connect it to the current specification and write down the limits of the approval.

1. Name the sample’s purpose

Use a functional label rather than assuming the supplier’s terminology has one universal meaning. For example:

• development sample: tests a design direction;
• engineering or fit sample: tests dimensions, interfaces or function;
• pre-production sample: is intended to represent the production method;
• packaging or colour sample: answers only a defined presentation question.

Ask the supplier to state which stage the sample represents and whether the materials, tooling, process, artwork and packaging are production-representative. A polished hand-made sample may not answer the same question as a sample made on the final line.

2. Give the sample an identity

Record a short approval header:

Photographs should show the same ID or reference card where practical. Keep the approved buyer sample and ask the supplier to retain a matching reference.

3. Check the decision-critical fields

Do not inspect every field with equal effort. Start with the features that could make the order unusable or expensive to correct:

• dimensions, interfaces and fit;
• material, finish, colour and construction;
• function and intended-use tests;
• labels, branding and packaging;
• included parts, accessories and quantities;
• destination-specific documentation or testing that the buyer has identified.

For each field, mark pass, open, failed, not tested or accepted deviation. “Looks good” is not a reproducible result.

4. Write every deviation down

If the sample differs from the request, describe the difference and decide whether it is acceptable. A useful record says:

Revision B approved for dimensions and finish. Packaging artwork remains open. The substitute fastener is not approved for production.

That sentence is more useful than an unqualified message saying “OK”. If a correction is required, request a new revision and supersede the old one rather than leaving two competing references in circulation.

5. Define what approval releases

Approval should name its scope. It might authorise a revised sample, a tooling step or a limited pilot quantity. It should not silently authorise every future order, material substitution, packaging change or compliance claim.

Keep these boundaries visible:

• a sample is evidence about the sample, not proof that every production unit will match;
• a visual approval is not a legal, safety or destination-market conformity determination;
• a passed sample does not replace production inspection or agreed acceptance criteria.

A compact approval checklist

Before releasing the next step, confirm:

1. The sample type, ID and revision are recorded.
2. The current specification or drawing is attached.
3. Critical dimensions, function, material and finish were checked or marked not tested.
4. All deviations have an owner and a decision.
5. The supplier’s production reference and the buyer’s retained reference match.
6. The approval states exactly what it authorises and what remains open.

If the sample raises more questions than it closes, pause the release and revise the brief. Mon can coordinate sample requests, revisions and handover records, but the buyer remains responsible for product specifications, testing decisions and final approval.

Sources and limits

The practical controls above reflect current sourcing guidance from Ocean Port Link and Kelsy Sourcing. Terminology varies by supplier and industry, so this is a coordination checklist, not a guarantee of production conformity or regulatory compliance.