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Application of quality function deployment in product improvement of power strips

Many organizations aim to improve their performance in customer satisfaction with a product due to competition between organizations in an industry. Bangkok Cable Co., Ltd. also wants to gain a competitive advantage. In this research, the conversion of qualitative techniques (Quality Function Deployment) is used to develop and improve power strips, which are the products of Bangkok Cable. The power strips are developed according to customer requirement by using the matrices of QFD technique: (1) Product Planning and (2) Design Deployment. The developed and improved prototypes are evaluated by a group of product customers. The results of this study reveal that the average satisfactory values of all new prototypes compared with the old products are respectively increased from 3.31 to 3.61 and 3.72 points or increased about 9.31% and 12.43%, and the percentage of satisfaction compared with competitors are increased from −7.17% to 1.47% and 4.38%, respectively.