Survey Cost of Quality Before and after of implementation COQ (A case study in a Saipa manufacturing company)

The aim of this study was to calculate the cost of quality According to PAF model, In different parts saipa manufacturing company During the 2 years before and after implementation COQ. Research Results With use of T-test for independent groups and Wilcoxon signed rank tests Showed that quality costs for each department in the company before and after the implementation of the system COQ, There is a significant difference as costs have increased after the implementation the system COQ of quality And only cost of Quality after COQ system implementation in the marketing part reduced and costs of production, purchasing, quality , operations part and total quality costs have increased.