This paper aims at developing procurement Key Performance Indicators (KPI) system for Maintenance, Repair and Operation (MRO) items using a Business Intelligence tool. A set of typical KPI has been established in an aircraft maintenance enterprise through a case study. The result analyzed by business intelligence tools, has become a critical factor in evaluating the success of financial performance, quality assurance, order fill rate, utilization of productivity and development of knowledge hubs in the procurement sector. An effective and efficient procurement strategy evaluation system is proposed in order to resolve corporate problems, with solid supporting data, improved procurement performance management, facilitation of decision making and procurement evaluation by saving resources and time. The significance of this paper is that we delivers a proactive approach by integrating KPI and BI tool for an aviation maintenance enterprise to access comprehensive external data directly, and to visualize the company performance for formulating strategies and analyzing industrial informatics.