Lean and six sigma are industry-recognized philosophies for business improvement. When applied to supply chain, they can drive impactful results. While six sigma is highly process-focused, supply chain is focused on the entire value stream, from process to process. This can present challenges in applying six sigma in a supply chain environment. Lean six sigma combines both lean and six sigma methodologies together, in order to eliminate waste and improve upon processes. This can be done through reducing waste caused by transportation, inventory, motion, waiting, overproduction and over-processing, as well as minimizing defects in manufactured products.
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