The assurance of quality for manufactured products is an important part of quality management. It has become one of the decisive parameters in a competitive market. EFB-Elektronik employs quality assurance in all areas, such as testing planning, testing execution and computerised testing data processing. The data is analysed regularly and forms the basis for the further process optimisation and supplier development. EFB-Elektronik uses state-of-the-art measurement and testing technologies. These allow for the assessment of a variety of parameters using different systems.