An inspection is an activity such as measuring, examining, testing or gauging one or more characteristics of a product and comparing the results with specified requirements in order to establish whether conformity is achieved for each characteristic. (This definition comes from the ISO 2859 standard, which is derived from MIL-STD 105 E.)

Testing is the process used to execute a system of quality assurance. It’s used to detect problems in a product or service. The importance of quality testing is obvious: the product or service that’s completed improperly will dissatisfy the stakeholder, but there can also be safety issues that will put people in harm’s way if not addressed.

A product inspection allows you to verify that a batch of goods meets specific quality standards. It can involve checking packaging and labeling, how the product functions, and adherence to physical requirements. Of course, your factory should generally conduct their own inspections and have QC measures in place.

Quality control (QC) is a process through which a business seeks to ensure that product quality is maintained or improved. Quality control involves testing units and determining if they are within the specifications for the final product.