Customer care services play a very important role in enhancing the competitive advantage of businesses in general and testing service businesses in particular, helping businesses specialize, differentiate and improve. image of your service quality in the minds of customers, helping to increase the number of loyal customers, attract potential customers, strengthen loyalty to existing customers, thereby contributing to reducing business costs. business for business. Customer care service is a key activity in an enterprise's Marketing activities to direct the enterprise's management activities to target customers, bringing outstanding satisfaction to customers when consuming services. with good quality customer care.