四川长江QY25起重机的优点有：1.强大的起重能力：QY25起重机的额定起重能力为25吨，能够应对大多数的吊装任务。2.灵活性好：QY25起重机采用了车载底盘设计，机动性强，可以在不同的工地之间快速移动，适应性广泛。3.操作简便：起重机的操作系统采用了人机工程学设计，操作简单易学，降低了操作人员的操作难度，提高了工作效率。4.安全性高：QY25起重机采用了多重安全装置，如重载、限制行程、失速保护等，能够保证起重过程的安全稳定。5.节能环保：起重机的动力系统采用了先进的液压技术，能够有效降低能耗，减少环境污染。6.维修保养方便：QY25起重机的各个部件组装紧凑，维修保养方便，减少了维修时间和成本。7.价格适中：相比其他品牌的起重机，QY25起重机的价格相对较为适中，性价比较高。

The advantages of Sichuan Changjiang QY25 crane include:1. Powerful lifting capacity: the rated lifting capacity of QY25 crane is 25 tons, which is able to cope with most of the lifting tasks.2. Flexibility: QY25 crane adopts the design of vehicle chassis, which is highly maneuverable, and it can be moved quickly between different construction sites, with a wide range of adaptability.3. Simple operation: the operating system of the crane adopts the ergonomics Designed with ergonomics, the operation is simple and easy to learn, which reduces the operating difficulty of the operator and improves the working efficiency.4. High safety: QY25 crane adopts multiple safety devices, such as heavy load, limiting stroke, stall protection, etc., which can ensure the safety and stability of the lifting process.5. Energy-saving and environmental protection: The power system of the crane adopts the advanced hydraulic technology, which can effectively reduce the energy consumption and reduce the environmental pollution.6. Convenient maintenance: QY25 crane components are assembled compactly, easy maintenance, reducing maintenance time and cost.7. Moderate price: compared with other brands of cranes, QY25 crane price is relatively moderate, cost-effective.