This article discusses the benefits and elements of demand driven manufacturing requirement planning (DDMRP), which links manufacturing requirement planning with lean production techniques. DDMRP automates and streamlines production, reduces costs, and minimizes errors in the supply chain. The five main elements of DDMRP are strategic inventory positioning, buffer profile and levels, adjustment process, demand-driven planning, and execution. Positive case studies of DDMRP executions have shown improved manufacturing performance and customer service, lead time compression, optimized inventory size, and reduced operational costs.