供应链是为完成一定的物流任务，将所需的不同功能的成员企业集成在一起，具有网链结构的集合体。可靠性是反映产品综合质量的指标。本文依据供应链的不同阶段，将其可靠性分为固有可靠性和运作可靠性。为简化计算，提出供应链基本单元的概念，给出两种可靠性的分析方法。

在对经营环境变化进行分析的基础上， 结合企业硫程再造理论， 提 出对销售藏程进行再造的观点，并结合泰伟食品有限公司销售流程再 造的案例，详细地讨论了销售流程再造的方法和步骤。同时对再造后的效果进行了分析和评价。

Logistics has a good relationship with the economic utility of supply chain and the sustainable development of environment. It has been the considerable link of supply chain research. This paper analyzes and appraises the effectivity of different supply chain integration projects and whether considers reverse logistics or not, by establishing DEA model of supply chain integration project that is on the basis of order and synthetically considered forward and reverse logistics, provides the growth effciency model of input and output with preference supply chain integration project for the decision-maker.