The organizations have always sought ways and methodologies to boost the quality level of their product. Obviously, economic aspect ought to be taken into account, eschewing irrational costs in the system. Data mining can be applied as one of the best technics at hand in case of analysis and prediction of performance and quality. In this work, we have used a new methodology based on data mining to predict and improve the quality level of the electronic parts. The results suggest better accuracy compared to the previous studies