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The Seventh Committee of the National Winder Standardization Technology Committee and the 2024 Standardization Working Conference were successfully held in Shenyang, Liaoning from March 7 to 8, 2024. At this meeting, the Standard Committee revised the standards of GB/T 21151 "Technical Specifications for the Main Ventures for Coal Mine". Xue Meifang, deputy president of the company, was invited to participate in the meeting with experts in the national fan industry and other companies to conduct in -depth exchanges on the revision of the technical standards of mining fan. As a leading company in the production of mining fan, in recent years, Anhong has participated in the "Technical Conditions for Coal Mine for Local Vacus", "Digital Energy -saving Final Technology Requirements", and "Intelligent Monitoring and Diagnostic Diagnosis of Coal Mine Main Ventures" The drafting and revision of industry standards played its role in promoting the healthy and stable development of the mining fan industry.

On October 22-23, our company ushered in the annual "double review" of safety standard supervision and quality management system supervision. Three expert teachers from the Safety Standard Center visited our company and conducted annual supervision and audit work on our company. The expert team of the audit team reviewed the company's organizational structure, management system, personnel and training, document management, production process control, inspection and testing, product consistency, etc. through document review, on-site visit and evidence collection, individual questions, on-site sampling tests, etc. A comprehensive and detailed review was conducted. Li Junfeng, chairman of the company, welcomed the arrival of the review teachers and thanked them for helping the company discover problems in actual work through inspections. He also asked all departments to work together to draw inferences about the problems found and make serious rectifications; on the other hand, they should further learn about the mining industry Use the implementation details of product safety marks and relevant documents of quality management system certification to continuously improve ideological understanding and improve work standards. Although the time was tight and the task was heavy, with the strong cooperation of all departments of the company, this "double review" was successfully passed. Through this review, the relevant management and technical requirements for ventilator production will be further improved to ensure that the main responsibilities are effectively and reliably implemented. At the same time, it provides a stable guarantee for the production and sales of the company's ventilator products.