The term value stream is a series of processes from suppliers, manufacturing processes, product delivery and distribution of goods or services. Value stream itself involves several business networks consisting of companies that supply raw materials or semi-finished, then the company and its partners for the delivery partners for the distribution of goods. Even this distribution companies have also long chains to form a sub-distribution, sub agents and so on.
Companies incorporated in the value stream can be controlled by a single business management or a corporate network. A clear management control to the flow of goods must be considered in terms of quality. Starting from the flow of raw materials adan sig sigma lean implementation should be undertaken in earnest.