The critical competitive advantage for any corporation is to not lag behind in customer demand, but to surpass customer expectations. This research focuses such customer satisfaction concerns to the flexible printed circuit (FPC), at Mektec Taiwan Industries. We consider the measurements of competition advantage are sufficiency of supply capacity and the capability of problem resolving to sustain the competency advantages. Based upon the results of this research, customer satisfaction should improve, leading to a competitive advantage for the company. Seven measurements of successful product delivery are considered, as follows: adhering to the delivery date, proper adjustment of the delivery date, condition of the product at the delivery, immediately informing of postponed deliveries, the providing of a useful prototype, the managing of urgent purchase orders, any damaged products. Satisfying urgent purchase orders is the most important of these.