Quality control in China: when and how should you inspect?
Quality control works best when it is part of the production plan, not a final check shortly before shipment.
Define what acceptable means
An inspector can only assess objectively when specifications, tolerances, materials, packaging and acceptance criteria are clear. Use an approved reference sample where possible and distinguish critical, major and minor defects.
Choose the right inspection moment
An initial production check shows whether materials and settings are correct. An in-process inspection helps with longer production runs or products with multiple operations. A final inspection reviews a representative sample once production is complete and largely packed.
Check more than the product
Quantities, labels, packaging, manuals and shipping marks matter alongside appearance and dimensions. Functional products also require agreed performance tests. This prevents a technically sound product from being delayed by packaging or documentation.
Turn deviations into decisions
A useful report contains photographs, measurements, quantities and a clear conclusion for each criterion. Agree who decides on rework, reinspection or conditional acceptance. A deviation is manageable only when the next action and owner are clear.
Conclusion
Effective quality control combines clear criteria, suitable inspection moments and prompt follow-up. Inspection then becomes a way to manage production and delivery rather than a single snapshot.
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