Volume of inspections: the natural cycle
At the beginning, there is a lot of work for two reasons:
Some suppliers are not reliable, so we check their products during production as well as before shipment;
Some problems are found, so there are re-inspections.
After one or two years, though, the worst manufacturers have been replaced by new ones, and all suppliers understand what is expected of them. There is less need for QC inspections. The smallest shipments aren’t even checked any more.
Finally, the importer is looking for ways to save money. The number of quality problems has gone way down, so is there still a need for a high QC budget? The buyers of cheap products usually hire their own staff.
The buyers of high-quality products, who want to work with reliable and proven processes, either send someone from their head office to manage product quality full-time… or keep working with a third-party QC agency.