In this paper, the selected problems related of modern quality monitoring and quality control in Polish companies have been presented. It has been found that monitoring of production processes is a necessary element of a company’s proquality policy. Such an approach is connected with the continuous improvement of a company. Possibility of usage of statistical techniques of quality estimation process has been discussed. For this purpose, control charts type X-R and also calculation of index quality capability of process C
p
; C
are created. Upon analysis suitable example has been shown, that their application permits to avoidance of many production defects already on the stage of production.