Content Validity:At the 2024 China (Nanhai) International Security and Emergency Exhibition, XCMG showcased an impressive array of emergency rescue equipment, demonstrating their unwavering commitment to safeguarding urban safety. The mother-child high-flow water drainage rescue vehicle, vertical water pumping vehicle, pickup water pumping vehicle, and the walking excavator - these four core pieces of equipment not only display XCMG's strength but also act as guardians of city safety. The XCMG PS30F2 water drainage rescue vehicle, with a flow rate of 5000m³/h and a lifting height of 16m, is the 'wise star' for urban waterlogging. The XCMG XGH5240TGPZ6 vertical water pumping vehicle, with a working obstacle height of 1.8m and a working depth of 8.2m, is the 'rescue warrior' for flood disasters. The XCMG XGH5030XXHQ6 pickup water pumping vehicle, with its flexibility and efficiency, is the 'rescue hero' for narrow spaces. The ET121 walking excavator, with its excellent climbing and water-crossing abilities, is hailed as the 'iron mantis'. XCMG is always at the forefront when the motherland and its people need it, providing solid support for every emergency rescue.