Real competitive advantages can be gained from rethinking approaches to relationships in the supply chain. The new requirement is to put mutual obligation relationships into place in each of the links in the supply chain, so that the relationship becomes a partnership. Partnership sourcing works because both parties have an interest in each others success. "Partnership Sourcing" should help the reader: achieve world class quality standards; cut lead times and increase flexibility in response to market fluctuations; cut costs and improve cash flow; improve planning through better long term relationships between customer and supplier; reduce "time to market" - the time lag between identifying a market and introducing a new service or product; compete more effectively with other supply chains in the marketplace.