By examining the fundamental concepts,classifications of metrological testing,and its roles in ensuring product quality,constructing a foundation for supervisory technology,and facilitating legal enforcement,this paper elucidates how metrological testing technology fosters standardized corporate production,enhances product quality control,and sustains market order.Integrating contemporary technological trends,notably advancements in intelligent inspection technologies,it prospects the future trajectory of metrological testing within the strategy of building a strong quality nation,while proposing strategies to enhance the emphasis on technology,cultivate professional talent,and refine management mechanisms.The research herein underscores the pivotal role of metrological testing technology as a pillar of the quality assurance system,thereby promoting industrial upgrading and securing high-quality economic development.