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The Electronics Manufacturing Services (EMS) sector faces significant challenges in optimizing supply chain management and enhancing production efficiency throughout the product life cycle. This study addresses these issues by employing the DMAIC (Define, Measure, Analyze, Improve, Control) methodology, derived from the Six Sigma principles, to improve production efficiency. This approach optimizes workflows, streamlines processes, and reduces production costs by integrating techniques such as Value Stream Mapping and Failure Mode and Effects Analysis. Theoretically, this research fills the gap in understanding how structured problem-solving methodologies can be applied to EMS to drive operational improvements. Practically, it demonstrates the substantial impact of automation implementation, evidenced by a 2-hour reduction in lead time and a 41.23% improvement in process cycle efficiency in a Vietnamese EMS company. Additionally, the automation initiative successfully eliminated non-value-added activities, achieving a 100% reduction. This study underscores the necessity of integrating DMAIC and automation to navigate industry challenges and enhance organizational competitiveness, positioning EMS companies for sustained success in the dynamic electronics manufacturing landscape.
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Wang et al. (2025) studied this question.
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