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August 16, 2019，NOA audit experts supervision and audit on the operation of Aigre's quality management system. The external audit covers the design, development, production and service of railway special equipment (rail flash butt welding machine and welding production line). The audit team fully affirmed the overall operation of Aigre’s system, and communicated and explained the potential problems with the heads of various departments in time.
Through this external audit, all departments have a deeper understanding of the system, and further clarify the focus and improvement direction of the work.
