According to the enterprise application, according to the review notice yjwg [2020] 012 of metallurgical branch of China Association of mechanical and electrical equipment maintenance and transformation technology, the expert review group of metallurgical branch of China Association of mechanical and electrical maintenance carried out on-site review on the qualification of China Metallurgical equipment maintenance and transformation enterprise applied by Beijing liboming science and Technology Development Co., Ltd. on May 24, 2020.

         According to the detailed rules for on-site qualification evaluation of China's mechanical and electrical equipment maintenance and transformation enterprises and relevant standards and specifications, the evaluation team has carried out evaluation item by item to confirm whether the main qualification, maintenance service and inspection ability, product quality assurance ability, personnel ability, etc. of the enterprise meet or continue to meet the management measures for qualification of China's metallurgical equipment maintenance and transformation enterprises and China's metallurgical equipment Detailed rules for on-site review of qualification certificate of maintenance and transformation enterprises.

        Through data review, personnel capacity assessment, on-site site site, equipment, facilities, testing instruments, technical documents and other resources verification, the review team believes that the unit has established a relatively complete quality management system and operates normally, the responsibilities of relevant personnel are clear and effectively implemented, the personnel capacity meets the inspection needs, the maintenance process, documents and records are controlled to a certain extent, and can be opened in accordance with the specifications Repair, maintenance, overhaul, installation and transformation of equipment such as maintenance projects applied by the exhibition.

        Subsequently, the relevant person in charge of Beijing liboming Technology Development Co., Ltd. accompanied the review team to conduct on-site inspection of the plant area, in-depth understanding of the company's hardware construction and environmental layout, production capacity and on-site management.

        According to the rules for determining the qualification level of China's mechanical and electrical equipment maintenance and transformation enterprises, the conclusion of this review is that the service capacity level of maintenance and transformation of environmental protection dust removal and dust suppression equipment of Beijing liboming science and Technology Development Co., Ltd. has passed the AAA level of China's Metallurgical equipment maintenance and transformation enterprise qualification. Issue of certificate is approved.