Purchase Management: Being one of the most important parts of Nseer Open Source ERP, the purchase management can figure out the best providers, lower the purchase cost and increase the purchase efficiency to the furthest level. The purchase management module of Nseer Open Source ERP supports the modern purchase mode: it can not only fully control the purchase according to the distribution order, but also that of security storage and actual raw material put into operation. By comprehensively collecting the archives of potential providers, it enables the corporation to carry out strict flow control and, according to its own production line, to choose, recommend and examine the providers. Furthermore, it can also register the information of exchange of providers, price alteration and others to conduct profound inquiry of data mining. Due to the complete integration with the management of order, storage, production and capital, this module will activate the relevant functions, including the preparation of storage, order situation, raw material out-flow, payable fund and others when collecting and creating the list of purchase plan and conducting it. During the operation of purchase, the module supports the great function of purchase control. Based on a single purchase order, users can decide some individual provider or a number of them and purchase quantity according to the actual situation in order to ensure the most flexible application. At the same time, it can conduct the surveillance through the whole process on a single purchase and be familiar with the real-time condition of its invoice, examination of quality, in-flow and other procedures. The basic functions of purchase management of Nseer Open Source ERP: the management of providers’ archives, recommendation of product providers, communication of providers, purchase plan and control, product purchase(Our purchased products without payment, which has the returning potential), purchase invoice and control of purchase quality, the standard data reports and others.