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职能机构内部的BPR。企业手工业务处理流程必然存在很多重复式无效的业务处理环节，各职能管理机构重叠，中间层次多，而这些中间管理层一般只执行一些非创造性的统计、汇总、填表等工作，很多业务处理方式已不能适合计算机信息处理的要求。B2B的电子商务将企业整个经营的各环节都放在网络上进行，进行信息化管理，取消了许多中间层，必然带来职能部门内部的BPR。

( 1 ) functions within the organization BPR. Enterprise manual business processes must exist a lot of repeat business processing chain is invalid , the functional management agencies overlap , intermediate level and more, and these middle management generally perform some non- creative statistics, summary , fill in a form , etc., a lot of business processes approaches have failed to fit the computer information processing requirements. B to B e-commerce to various aspects of the entire business enterprise are placed on the network , information management , eliminating many intermediate layer , will inevitably bring about functional departments within the BPR.

职能机构部门之间的BPR。企业要实现真正的电子商务，并不是要实现网上订单，网上支付就可以了。如国只是者一段电子化了。而后续的采购、生产、库存、订单确认等供应链环节无法电子化，企业经营整体上还是体现不出效率提高及成本降低，这就要求企业内部各部门之间进行BPR，已实现全过程的信息化管理。

( 2 ) functional organization between departments BPR. Enterprises to achieve true e-commerce, not to achieve online orders, online payment on it. If the country just by some e- ified . And the subsequent procurement, production , inventory , order confirmations and other supply chain can not be electronic, business or fail to reflect the overall efficiency and cost reduction , which requires between various departments within the enterprise BPR, the whole process has been achieved information management.

( 3 ) between the enterprises of the BPR. This level of business process reengineering BPR is currently the highest level , but also the B to B e-commerce effective implementation of the necessary conditions. As the supply and refining no longer confined within the enterprise , but extends to suppliers and customers, and even suppliers of suppliers and customers, clients , making the management control of companies are increasing the breadth and depth . Supply chain information exchange between enterprises greatly increased , requires business processes between enterprises must maintain consistency , which requires enterprises and between enterprises must be BPR, in order to achieve effective management of the entire supply chain .

B to B e-commerce model to achieve and then the whole of the industry and even the global supply chain network enrichment planting in the supply chain, in addition to cash flow, logistics , information flow , the fundamental thing is to have value stream. A variety of resources to flow in the supply chain should be a constant value of the process, so is the nature of the supply chain value-added chain . Judging from the shape of the customer is also provided in the purchase of goods -style services, but is essentially the purchase of goods or services bring value . Supply chain, each link added or not added the size of the impact will become the key to the competitiveness of enterprises . Therefore, to increase the competitiveness of enterprises , requires the elimination of all invalid labor , every link in the supply chain to achieve added value . Previous ERP B to C e-commerce only achieve the enterprise value-added supply chain and B to B e-commerce use ERP, E-Business Suite and CRM WEB technology , the upstream and downstream enterprises constitute the entire industry system supply chain , and with other com本论文由英语论文网提供整理，提供论文代写，英语论文代写，代写论文，代写英语论文，代写留学生论文，代写英文论文，留学生论文代写相关核心关键词搜索。