1. Perform internal, process, and product audits (ISO9001, IATF16949, QC080000, VDA6.3).2. Maintain QMS and coordinate customer questionnaires.3.Manage DCC operations, document control, and database updates.4. Track and implement ECN/TECN and PCN review activities.5. Manage material compliance requirements, including GP documents, ICP, and SDS.6. Support third-party, customer, and supplier audits/qualifications.