Tag: ChinaSourcing

The Three Critical Stages of Quality Control 1. Pre-Production Inspection (PPI) Raw material verification Component quality check Production preparation Equipment readiness Timing: Before production starts 2. During Production Inspection (DPI) Production process monitoring In-line quality checks Defect identification Corrective actions Timing: When 15-30% complete 3. Final Quality Inspection (FQI) Finished product inspection Packaging verification Functionality…