Product quality is a complex category, a concept of synthetic nature of the technical-economic, social. -Quality of product is formed in the process of research, deployment and production preparation, be guaranteed in the process of production and is maintained during use. Usually it is assumed that a quality product is the product or service, achieving the level of region or the world and meet the expectations of customers with acceptable costs. If the production process have costs not consistent with price, the customer will not accept its value, meaning higher selling price the price that customers pay for the characteristics of the product.
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