Defect Rate vs Acceptance Number: How AQL Pass/Fail Logic Actually Works
In AQL inspection, the pass/fail decision is based on the Acceptance Number (Ac) — a fixed count of ...
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AQL Sample Size by Order Quantity: Reference Table for China Importers
AQL Sample Size is the number of units randomly selected from a production lot for quality inspectio...
What Is a Man-Day in Quality Inspection? How the Pricing Unit Actually Works
Most importers encounter the term "man-day" on their first inspection invoice—and assume it means ei...
Pre-Shipment Inspection Checklist: What Every Third-Party Inspector Should Cover
A pre-shipment inspection is only as reliable as its checklist. Without a comprehensive, product-spe...
What Is Pre-Shipment Inspection? Definition, Process, and Why Every Importer Needs It
The global pre-shipment inspection market reached $16.53 billion in 2025 and continues to expand at ...
What Is AQL? Acceptable Quality Limit Defined with Tables for China Importers
AQL — Acceptable Quality Limit — is the statistical framework behind virtually every third-party qua...
