What Can Change After Sample Approval? China Production Change Control

An approved sample is a reference point, not permission to make informal changes. A different colour batch, material substitute, packaging artwork, label, or accessory can affect the production result. The most reliable way to protect a bulk order is to decide which changes need approval and record them before the factory starts.

Quick answer

Treat the approved sample, specification, artwork, and packing instructions as one controlled version. Any requested change should state what changes, why it changes, which orders or SKUs it affects, and the impact on cost, timing, function, and inspection. Do not let parallel chats create separate approvals.

What a small change can affect

Make the approval sample executable

Keep labelled photos, measurements, material notes, accessory list, packaging artwork, and the date of approval together. A factory needs usable evidence, not only the instruction to follow “the same quality.” The pre-production approval guide helps separate a prototype from a production-ready reference.

Four questions before bulk production

• Is the approved sample tied to the final specification and packaging version?
• Are substitutions prohibited or subject to written approval?
• Who can approve a change on the buyer side?
• What will be checked against the reference during inspection?

Use a golden sample when the product has several visual or functional variables. The final inspection should still compare production against the reference; see sample approval versus final inspection.

Make approval available to the people doing the work

An approved sample kept only by the buyer is difficult for a production team to use. Give the factory a dated photo pack, measurement sheet, material notes, and packing reference. If a physical sample remains with you, agree how the factory will access equivalent reference evidence. The goal is not more paperwork; it is a shared reference at the point where material, tooling, and packing decisions are made.

When more than one buyer-side colleague gives instructions, nominate one approval owner. This prevents a factory from following the latest message instead of the last approved version.

Use a change request that the factory can act on

A workable request identifies the current version, proposed version, affected SKU, reason for the change, approved reference, and the person authorized to decide. Ask the factory to reply with the impact on material availability, tooling, production date, cost, and any sample needed. Keep the original reference available until the new version is approved.

If the factory says a requested change is already in production, ask what quantity has been made, which components are affected, and what options exist. The best answer may be to hold the change for the next order; the point is to make that decision with a known production status.

FAQ

Can I change packaging after approving a sample? Yes, but treat it as a controlled change because it can affect packing, labels, cost, and delivery.

Does an approval photo replace a physical sample? It can support the record, but a physical reference is often more useful for colour, material, and construction details.

When should a new sample be approved? When a change can affect fit, material, function, safety, retail presentation, or packing.

Can Cindy follow the version control with the factory? Yes. Send the approved sample record, current drawings or artwork, and any proposed change.

Next step

Send Cindy photos of the approved sample, the current version documents, and the change you are considering. I can help convert the request into a factory-side approval checklist.