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Pre-Production Inspection is often overlooked but critical. Checking raw materials and first articles before mass production prevents disasters. One PPI costs far less than reworking an entire production run.

Communicating defects to factories requires diplomacy. Don't say 'Your products are all defective.' Present data, explain non-conformities, suggest rework solutions, and discuss cost-sharing. The goal is to solve problems, not blame.

Build a supplier quality scorecard. My dimensions: product pass rate 40%, on-time delivery 25%, cooperation 15%, price 10%, response speed 10%. Any supplier below 80 for three months needs reassessment.

Different products need different inspection focuses. Metals: dimensional tolerance and finish. Electronics: functional testing and ESD. Textiles: color and defects. Ceramics: deformation and glaze. A one-size-fits-all checklist is unprofessional.

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