According to the certification requirements of China Railway Corporation for EMU products, from April 14 to 16, 2019, an examination team composed of three experts from China Railway Inspection and Certification Center, Wang Wei, Li Qiuhua and Wu Xin, conducted a three-day on-site audit of our company. Qiao Chunjiang, deputy chief engineer of our company, Wang Yanping, deputy minister of quality assurance department, and relevant personnel warmly received three experts in conference room 4 on the third floor.

China Railway Inspection and Certification (formerly China Railway Railway Product Certification, referred to as "CRCC") is the authoritative certification of products in the railway industry. Railway products that are included in the compulsory product certification management and listed in the adoption catalog can only be used in the railway field if they are certified in accordance with the law and obtain certification certificates. The purpose of this audit is to confirm whether the quality assurance capability and quality assurance system of the enterprise within the scope of the application meet the requirements of laws, regulations and contracts. The audit experts explained the certification rules and on-site audit requirements. During the audit process, the expert group conducted a careful and detailed audit of our company's process documents, production process, equipment support, quality control and other key links, and conducted a sampling inspection of the products produced. The audit was successfully completed with the active cooperation of various departments. At the last meeting on the 16th, the audit team agreed that our company can effectively operate the quality management system, and our company can identify and effectively manage the special requirements stipulated by CRCC Certification Center. At the same time, the audit team highly praised our company's efficient and serious work attitude, and finally our company successfully passed the CRCC product certification supervision and audit.

High-speed rail axle products are directly related to the safety of high-speed rail train operation. The railway corporation is very strict with the access of high-speed rail axle products. Products can only be entered into the procurement list through operation testing, CRCC evaluation and supply qualification evaluation of the railway corporation. The successful passing of the CRCC certification indicates that the company has the qualification to continuously provide products to the market, ensure the smooth circulation of products in the market, and further stabilize our company's competitive advantage and position in the high-speed rail wheel pair market. it is of far-reaching and important significance to enhance the internal management and external competitiveness of the enterprise.