中联重科ZTC252E-1起重机的优点有：1. 高性能：该起重机配备了先进的液压系统和工程级电子控制系统，能够提供卓越的性能和高效的工作能力。2. 大起重能力：ZTC252E-1具有较大的起重能力，其最大起重能力达到252吨，可以轻松完成各种大型重物的吊装作业。3. 高度可定制化：中联重科起重机提供了多种配置和附件选项，可以根据用户的具体需求进行定制，以适应不同的工作环境和吊装任务。4. 高安全性：起重机配备了多重安全保护装置，包括过载保护、高度限位保护、稳定性保护等，有效保障了操作人员和周围环境的安全。5. 操作便捷：起重机采用了人性化设计，操作仪表清晰易懂，操控简便，减少了操作人员的工作压力，提高了工作效率。6. 维修与保养简便：起重机采用了模块化设计，方便维修和保养。同时，中联重科提供了完善的售后服务网络和专业技术人员，以确保起重机的运行正常。7. 节能环保：起重机采用了先进的液压系统和低排放发动机，具有较高的能源利用效率和较低的环境影响。

Advantages of Zoomlion ZTC252E-1 crane include: 1. High performance: the crane is equipped with advanced hydraulic system and engineering grade electronic control system, which can provide excellent performance and efficient working capacity.2. Large lifting capacity: ZTC252E-1 has large lifting capacity, its maximum lifting capacity reaches 252 tons, which can easily complete lifting operations of various large and heavy objects.3. High customizability: the crane provides a variety of configurations and attachment options, which can be customized according to the specific needs of users to adapt to different working environment and lifting tasks.4. . Highly customizable: Zoomlion cranes offer a wide range of configuration and attachment options that can be customized according to the user's specific needs in order to adapt to different working environments and lifting tasks.4. High safety: The crane is equipped with multiple safety protection devices, including overload protection, height limit protection, stability protection, etc., which effectively safeguard the safety of the operator and the surrounding environment.5. Convenient operation: The crane adopts humanized design, with clear and easy-to-understand operating instruments and simple control, which reduces the work pressure of the operator and improves the work efficiency. 6. Easy Repair and Maintenance: The crane adopts modular design, which is convenient for repair and maintenance. Meanwhile, Zoomlion provides a perfect after-sales service network and professional technicians to ensure that the cranes operate normally.7. Energy-saving and environmental protection: The cranes adopt advanced hydraulic systems and low-emission engines, which have high energy utilization efficiency and low environmental impact.