In this research, questionnaire survey had been conducted on the related personnel of domestic textile company who have involved in purchase decision for the import pump. In order to find out the considerable priority among price, quality, service and delivery of the four factors for the experts to select the pump and the preference order of the five leading importing brands A1, A2, A3, A4 and A5, responses of those personnel selected by Judgment Sampling were analyzed by Analytic Hierarchy Process. Our major results are briefing as below:1. Among four decision factors, quality is the most important, price is the second. The importance of delivery and service, as well as the difference of considerable degree among four factors related to department characters.2. Each kind of brand preference under different factors also related to department characters.3. A1 and A2 are superior to other three mentioned brands not only under individual factors but also under combination comments.