Research On E-Procurement System Of NH Group Based On Web Services

An important function of enterprise is procurement. Usually, the enterprise needs to spend at least half of its revenues to purchases of goods and services. So the control of procurement flows and the selection of supplies are central factors to the success of the enterprise.With the great mass favor of B2B ecommerce was begun again, e-procurement became an effectual purchase mode. Along with the understanding to electronic commerce deeply, the buyer starts to involve positively, through e-tending and e-reverse auction to reduce transaction cost and optimize the procurement. The B2B e-procurement reduced the purchase transaction cost, raised the purchase efficiency. Information technology has played an important role in e-procurement. But, the XML-based or EDI-based information system can't support the real time and dynamic requirement of e-procurement. However, the expense of implementing EDI-base information system is very high, only the big company can bear the high expense. Along with Internet's popularization and information technology's development, the Web Services technology may realize integration of the application procedure crossing platform, enables the information to be sharing in real-time between the related application procedures.In this paper, we study each kind of procurement pattern, discuses the basic concept of e-procurement and proposed the general frame of e-procurement which was took as the foundation of the research. On studying the theory and application of the e-procurement, the paper analyze the B2B e-procurement system deeply, and describe the goal of analysis and design of system, the function model of system with the example of NH e-procurement system, Then, we present the present a Web Services-based e-procurement system as the solution of e-procurement in NH Group, present a prototype e-procurement systems of NH Group. At last, we illustrate how Web Services-based e-procurement system works on. Finally, the paper summarizes the research, also puts forward the need for further work.