From October 31 to November 2, 2024, Qingdao University of Science and Technology New Rubber and Plastic Certification Center Co., Ltd（SAC）Audit experts on Yantai Xinyida Metal Technology Co., LtdQuality management system、Occupational health and safety management system、Environmental management systemSupervision and audit were conducted.

After 2.5 days of strict review, the audit team spoke highly of the internal management and system operation of Yantai Xinyida Metal Technology Co., Ltd., believing that the management system of Yantai Xinyida Metal Technology Co., Ltd. is very comprehensive and the document system is sound; the staff is experienced and has strong professional ability. It has obtained the certification qualifications of quality management system, occupational health and safety management system and environmental management system.