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On June 15, 2023, the training on normalizing machine operation was held in the conference room on the second floor. The main participants were the employees of China Railway Fourth Bureau and the production department of Aigre.

The meeting first introduced the production process and quality control of the normalizing machine, and then in-depth explained the key links of the operation of the normalizing machine, various manufacturing processes and related quality control points, and finally analyzed the inspection and acceptance requirements of the normalizing machine, as well as the importance of fault repair and maintenance methods.