柳工QY25N起重机的优点包括：1. 大起重能力：柳工QY25N起重机具有良好的起重能力，最大起重量可达25吨，可以满足各种起重作业需求。2. 高灵活性：该起重机采用全液压驱动系统，具有灵活的操作性能，可以在狭窄的工地空间中进行准确的起重作业。3. 高工作效率：柳工QY25N起重机装备有高效的液压系统和先进的控制系统，能够实现迅速的起重操作，提高工作效率。4. 优良稳定性：该起重机采用稳定的平衡系统和强力的起重臂结构，可以保证在起重作业时的稳定性和安全性。5. 便捷维护：柳工QY25N起重机采用模块化设计，易于维护和保养，减少了维修成本和停工时间。6. 符合环保要求：该起重机采用低噪音、低排放的发动机，符合环保要求，对环境友好。7. 多种配置选择：柳工QY25N起重机提供多种配置选择，可以根据不同的工作需求选择适合的配置，提供更多的选择空间。

The advantages of LiuGong QY25N crane include:1. Large lifting capacity: LiuGong QY25N crane has good lifting capacity, the maximum lifting capacity can be up to 25 tons, which can meet the needs of various lifting operations.2. High flexibility: The crane adopts full hydraulic drive system, which has flexible operation performance, and it can carry out accurate lifting operations in narrow construction site space.3. High working efficiency: LiuGong QY25N crane is equipped with efficient hydraulic system and advanced control system, which can realize rapid lifting operation and improve work efficiency.4. Excellent stability: the crane adopts stable balance system and powerful lifting arm structure, which can ensure stability and safety during lifting operation.5. Convenient maintenance: LiuGong QY25N crane adopts modular design, which is easy to maintain and repair. It reduces maintenance costs and downtime.6. Conforms to environmental protection requirements: the crane adopts low-noise and low-emission engines, which conforms to environmental protection requirements and is friendly to the environment.7. Multiple configuration choices: LiuGong QY25N cranes provide a variety of configuration choices, and you can choose the appropriate configuration according to different work requirements, providing more space for choice.