At the beginning of 2023, after three days of rigorous review by the audit team, the company successfully passed the quality management system certification renewal audit. At the first meeting, the audit team leader provided a detailed explanation of the purpose, content, scope, and basis of this audit. During the audit period, experts conducted a comprehensive and systematic review of the establishment, operation, personnel, equipment and other resource allocation of the obtained quality management system through on-site inspections, review of documents, conversations with relevant personnel, and raising questions and opinions. At the final meeting, the audit team unanimously believed that the company's quality management system was operating effectively and met the requirements of various audit standards. They could recommend issuing a quality management system certification certificate to the audit institution. At the same time, the audit team provided valuable suggestions and improvement suggestions to various units of the company.