中联重科ZTC300V452起重机的优点有：1. 大起重能力：ZTC300V452起重机具有较大的起重能力，可以满足各种重型起重作业的需求。2. 灵活性强：该起重机采用可伸缩式臂架设计，可以根据作业需求调整臂架长度，增加了作业范围的灵活性。3. 操控方便：起重机配备了先进的液压系统和电气控制系统，操作简单方便。4. 安全性高：起重机采用稳定的平衡系统和足够的反重力控制装置，能够保障起重机在高风速等恶劣条件下的稳定性和安全性。5. 能效优越：起重机采用了先进的液压系统和动力系统，能够实现对动力的高效利用，降低能源消耗。6. 维护成本低：起重机采用了可靠的结构设计和耐用的材料，减少了维护和保养的成本。7. 适应性强：该起重机适用于各种不同的起重作业需求，可以在建筑工地、港口、物流中心等多种环境下使用。

The advantages of Zoomlion ZTC300V452 crane are: 1. large lifting capacity: ZTC300V452 crane has a large lifting capacity, which can meet the needs of a variety of heavy lifting operations. 2. flexible: the crane adopts a retractable jib design, which can be adjusted according to the operational requirements of the length of the jib, increasing the flexibility of the scope of operation. 3. easy to operate: the crane is equipped with advanced hydraulic system and electrical control system, easy and convenient operation. 4. high safety: the crane adopts stable balance system and sufficient anti-gravity control device, which can guarantee the stability and safety of the crane in high wind speed and other harsh conditions. 5. superior energy efficiency: the crane adopts advanced hydraulic system and power system, which can realize the efficient use of power and reduce energy consumption. 6. maintenance Low cost: the crane adopts reliable structural design and durable materials, which reduces the cost of maintenance and upkeep.7. Strong adaptability: the crane is suitable for a variety of different lifting operation needs, and can be used in construction sites, ports, logistics centers and other environments.