In July 2022, Aigre was commissioned by Taiyuan Railway Bureau to reconstruct the existing line of Taiyuan South Station.

Aigre faced many unfavorable factors during the construction: complex construction conditions, limited space, difficult operation of machinery, tight schedule, etc. Aigre demonstrated its professional ability of the existing line construction, strictly compliance with the safety production management, and everyone performs its own functions to ensure that all work carried out in intense.

On September 15, Taiyuan existing line railroad reconstruct project was successfully completed, and the qualification of welding joints was 100%.