During time, there are many definitions made of the concept “quality”.

Some of them:

• Fitness for use - Joseph Juran
• Conformance to requirements - Phil Crosby
• The set of characteristics of an entity that give that entity
  the ability to satisfy expressed and implicit needs.- NEN EN ISO 8402

All these definitions are true but are also limited in their usage.

A definition of quality which is mostly useful is:

ANSWER THE EXPECTATIONS OF THE CUSTOMER

According this definition the concept quality can be worked out.

The definition is valid for the whole organization.

To meet the expectations of the customer everybody in the organization must deliver the right service or product. To achieve this, a systematical approach is necessary. A quality system.

All of our production companies have been approved according the ISO 9001 standard.

A copy of the certificates can be found in the chapter “quality – organization”

Product quality is guaranteed by the control on dimensions according the ISO 3302 standard (for O-rings ISO 3601) and the selection according the ISO 2859-1 standard.

The most used details of these standards are shown in the chapter “quality”