Pre-Shipment Inspection (PSI)
A pre-shipment inspection is a third-party or in-house quality check performed at the factory once at least 80% of a press-on nail order is produced and packed, verifying quantity, workmanship, sizing, packaging and labeling before the goods are allowed to ship.
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Key fact
QIMA data shows 32% of factory inspections in China fail at least one quality check, while a standard third-party pre-shipment inspection from firms like QIMA, SGS or Intertek costs about $200-$400 per day.