Quality labels and CE marking
Standardization in mechanical engineering

A quality label (also known as a quality mark) is a symbol of quality affixed under the control of an independent third-party organization. It assures the user that the product concerned has controlled characteristics which take into account both periodic inspection visits to the manufacturing site and the results of tests carried out during production sampling.

A quality label, such as the NF mark (figure 11 ), relies on a network of laboratories and technical centers whose skills and reliability guarantee the credibility of the label. In addition to compliance with standardized characteristics, the NF mark ensures conformity...