Entries by Francis Song

Top 10 Third-Party Inspection Companies in China: A Practical Comparison for Importers (2026)

Most “top inspection company” lists are either written by one of the companies being ranked, or are name directories with no real evaluation criteria. This guide takes a different approach: a structured comparison of 10 widely used third-party inspection companies in China, evaluated across dimensions that actually matter to importers – service scope, geographic coverage, […]

How to Set AQL Inspection Levels That Reduce Defects by 35%

Quick Takeaways AQL defines acceptable defect thresholds ranging from 0.065% to 2.5% based on product risk ISO 2859-1 AQL inspection levels (GI-GIII) determine statistically valid sample sizes Proper AQL configuration reduces defects by up to 35% according to ASQ research Critical defects require zero tolerance; minor defects allow controlled flexibility The right inspection level balances […]

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Factory Audit Checklists for New Suppliers in China and Vietnam

Short Introduction A factory audit is a structured pre-production evaluation designed to verify whether a supplier can meet your quality, delivery, compliance, and security requirements before you award the first purchase order. Central to this evaluation are factory audit checklists—standardized tools that translate vague requirements into actionable, verifiable items for on-site assessment. This step is non-negotiable: new supplier […]