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Two Aigre 150 rail welding machines from China Railway units met on Shanghai Metro Line 17. The 24th Group faced tight schedules and complex challenges on the B section of Line 17.

Despite numerous difficulties, the project was completed from March 10 to April 30, meeting requirements.

Aigre's welding machines earned praise, and the welding work was completed safely, efficiently, and with high quality.

The project leader of the 24th Group awarded bonuses to Aigre's team and plans to establish a long-term partnership, entrusting future rail welding projects to Aigre.