6Buying and Quality

How to Check Samples and Plan Quality Inspection

Turn an approved sample into measurable requirements and agree on inspection and defect handling before production.

Updated 2026-10-05

Define what a good product means

A sample review should test the features that matter to your customer: dimensions, material, finish, operation, durability, packaging and labeling. Record measurements and photos. For products requiring safety or compliance testing, visual checks alone are not sufficient.

Ask whether the sample is from current production, a hand-finished prototype or another batch. This helps you understand what it demonstrates and which details may differ in a bulk order.

Create an approval record

List accepted specifications, required changes and unresolved points. Give the approved sample a reference number or date. Keep a retained sample where practical and make the written specification part of the purchase agreement. “Same as sample” is stronger when both parties can identify the exact sample and approved details.

Agree on inspection before production

Set the inspection stage, responsible party, checks, sampling method, acceptance criteria and response to failure. Depending on the product and order, checks may happen during production, before shipment and upon receipt. A sample-based inspection reduces uncertainty but does not prove that every unit is defect-free.

An independent inspector needs clear instructions: product specifications, order quantity, carton requirements, tests, defect definitions and reporting expectations. Agree whether a failed inspection pauses shipment and who pays for reinspection or corrective work.

Receiving checklist

  • Record carton condition before unpacking.
  • Count quantities and compare variants against the order.
  • Check a defined selection of units using the same criteria.
  • Photograph defects and keep batch references.
  • Report problems within the agreed claim period.

Use the findings to improve your next order. Repeated defects may require a specification change, a different process or a different supplier.