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The closeness of the relationship at different points in the supply chain will 1 . Not all links throughout the supply chain should be 2 coordinated and integrated. The most appropriate relationship is the one that 3 fits the specific set of circumstances. 4 which parts of the supply chain deserve management attention must be weighed 5 firm capabilities and the importance to the firm. One primary structural 6 of a company's network structure is the members of the supply chain. It is appropriate to distinguish 7 primary and supporting members. Primary members are all those autonomous companies or strategic business units who 8 out value-adding activities. In 9 , supporting members are companies that simply provide resources, knowledge, utilities, or assets for the primary members of the supply chain, 10 lease tucks banks that lend loan, warehouse space, etc.