How to do pre-shipment inspection? What does AQL mean?
AQL (Acceptable Quality Limit):
- AQL 2.5 — Common for general products
- AQL 4.0 — Low-value/non-critical
- AQL 1.0/0.65 — Electronics, medical, children's products
Process: Book → sample → check (appearance/dimensions/function/packaging/labels) → defect classification (critical/major/minor) → report (PASS/FAIL).
Cost: Third-party $200-400/man-day, Chinese $120-220/man-day.