Lean manufacturing or lean production is a systematic method originating in the Japanese manufacturing industry for the minimization of waste within a manufacturing system without sacrificing productivity, which can cause problems.

The core idea is to maximize customer value while minimizing waste. Simply, lean means creating more value for customers with fewer resources. A lean organization understands customer value and focuses its key processes to continuously increase it. The ultimate goal is to provide perfect value to the customer through a perfect value creation process that has zero waste.