Abstract:
The purposes of this research were to apply Quality Function Deployment in developing pink silver
ring jewelry and to develop the pink silver ring jewelry in order to meet the needs of customers. The results
of the study of customers needs to develop new pink silver ring jewelry were found that the alloy metal,
fashionably product pattern, and the creation of new pink color. The evaluation results were found that
the average of customers satisfaction increased from 3.76 to 4.46. The cost of pink silver ring jewelry before
development. The materials cost and production processes were 1,450 baht, the value of the sales price
was 2,175 baht, and the profit margin was 725. The change of costs after development materials cost and
production processes were 1,210 baht, the value of the sales price was 2,320 baht, and the profit margin
was 1,110 baht, the increasing profit was 385 baht or the total cost of the product was changed by
decreasing 240 baht compared with an increase of product satisfaction.