The use of statistical methods only slightly increased the effectiveness of the controls. The implementation of quality systems for only selected areas of activity did not allow for the proper product parameters. Only the publication of the 9000 series allowed for a gradual change in the approach to product quality. The main benefits of these standards include: the possibility of using the same approach by all suppliers regardless of the nature of the product delivered, the choice of standard depending on the scope of tasks performed, the idea of quality assurance as a complement to the final control, including non-productive factors affecting the quality. Get acquainted with the Ins2Outs offer, a company is specialized in a quality management system.