质检 · 9 guides
Quality control
The cheapest defect to fix is the one you catch before payment for the balance is released. These guides cover pre-shipment inspections, AQL sampling, third-party inspectors, and managing samples so what ships matches what you approved.
Quality control· 7 min
Pre-shipment inspection without flying to China
How to check that your goods are right before the balance is paid and the container ships, using a third-party inspector instead of a plane ticket.
Quality control· 6 min
AQL sampling explained for importers
AQL is how inspectors decide whether a batch passes without checking every unit. Here is what the numbers mean and how to set them for your goods.
Quality control· 7 min
How to handle a failed inspection with your supplier
A failed inspection is leverage, not a disaster, as long as you have not paid the balance yet. Here are your options and how to protect your money safely.
Quality control· 8 min
What a factory audit covers and when you need one
A factory audit checks whether a supplier is real, capable and compliant before you commit real money. Here is what it covers and when it is worth paying.
Quality control· 6 min
The golden sample: locking quality before production
The golden sample is the agreed physical reference both sides build and inspect against. Here is how to approve one, seal it, and use it to settle disputes.
Quality control· 7 min
Common product defects and how to catch them
Most defects fall into a handful of predictable types by product category. Knowing them tells your inspector exactly where to look before you pay the balance.
Quality control· 8 min
Hiring a third-party inspection company in China
An independent inspector is your eyes inside the factory. Here is how to choose one, brief them properly, and keep their report genuinely independent.
Quality control· 6 min
During-production inspection (DUPRO) explained
A DUPRO checks your goods while the line is still running, so you catch a systematic fault on unit fifty rather than across every unit of the whole run.
Quality control· 7 min
How to write a product specification sheet
A clear spec sheet is what every sample, inspection and complaint gets measured against. Here is what to put in it and why vague specs cost you money.
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