more>>industry overview
- ▪ national railway fixed-asset investment reaches 355.9 billion yuan in the first half of the year, up 5.5% year-on-year
- ▪ successful completion of the first-phase overhaul and concentrated maintenance of the eastern section of chengdu-chongqing railway and xiangyang-chongqing railway in 2025
- ▪ reaching yan'an! the first high-speed railway track in the old revolutionary base area of northern shaanxi is connected!
- ▪ national railway data released: high-speed railway mileage reaches 48,000 kilometers!
- ▪ long rail connection achieved for track section i of ningbo rail transit line 6
- ▪ fixed-asset investment in national railways reaches 242.1 billion yuan from january to may, up 5.9% year-on-year
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- email：aigretech@163.com
news
on july 22, 2025, aigre welcomed a professional delegation from countries along the belt and road. through a comprehensive display of cutting-edge progress and innovative achievements in rail welding technology, it deepened exchanges in the international industry.
during the visit, the technological breakthroughs of aigre's core products attracted great attention: the newly developed mobile narrow-body rail flash butt welder adopts the unique "narrow clamping 180° head rotation" technology, realizing full-model welding coverage for 12#, 18#, 30#, 42# and other single turnout with movable point; relying on the breakthrough design of "one-time clamping and full-process pressure maintaining", the welding and aligning integrated machine achieves automatic and seamless connection between flash welding and medium-frequency normalizing heat treatment, with operation efficiency increased by more than 40%.
the visit of this international delegation has deepened the technical cooperation between aigre and international counterparts, injecting new momentum into its globalization strategy. aigre will continue to work with global partners to promote the innovation and sustainable development of rail welding technology.
