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Information Technology has supported distributed team members in concurrent engineering environments for some time. This paper addresses the co-ordination of design work within the concurrent engineering environment. We refer to this as engineering workflow (EWF) ^[1]. We also address the challenging task of co-ordinating design activity across the supply chain. Current workflow systems, either stand-alone or incorporated into a product data management system, are rather static and offer little flexibility to engineering design. This limits their ability to support dynamic complex processes such as product development, especially for activities that span company borders. This paper describes an engineering workflow approach to control early phases of product design that is suitable for concurrent engineering's dynamic and iterative processes. The approach uses parameters to reflect basic engineering …