On May 15, 2025, the 4th Changsha International Construction Machinery Exhibition was grandly opened in Changsha. This exhibition attracted 1800 companies to participate, and 1500 new products and technologies made stunning appearances. Numerous intelligent, high-end, and green engineering machinery and equipment were showcased on site, such as Sany Heavy Industry's new intelligent excavator, which has advanced automatic operation and remote control functions; Zoomlion's ultra large tonnage crane demonstrates powerful lifting capabilities. The expected transaction volume of the exhibition is expected to exceed 8 billion US dollars, making it an important event in the global construction machinery industry.