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· This position is responsible for the whole life cycle management of supplier quality at the mass production stage. · Ensure that the products/services delivered by suppliers meet the company's quality requirements and industry standards. · Drive suppliers to continuously improve product quality and reduce quality risks by monitoring, analyzing and improving supplier quality performance. · Actively cooperate with the company's production feedback of supplier parts quality problems to ensure production stability · Regularly collect and analyze delivery quality data (batch qualification rate, return rate, customer complaints, etc.) from volume suppliers to identify abnormal trends. · Lead the root cause analysis of quality problems of mass products, use 8D, 5why, fishbone chart and other tools to promote the supplier to develop corrective and preventive measures. · Coordinate internal forces (production, logistics, planning, R&D) and suppliers to quickly resolve unexpected quality issues on the production line and reduce the risk of shutdown. · Manage supplier quality claim process and push supplier to take responsibility for quality loss. · Lead supplier quality improvement projects (e.g. Six Sigma, PDCA) for repetitive problems or systemic risks · Participate in supplier quality review of new product to mass production stage, ensure supplier PPAP (production part approval process) documents and physical compliance. · Evaluate supplier change requests (such as material and process changes) during mass production, review validation reports and approve implementation..