徐工QY8KC起重机的优点包括：1. 高起重能力：QY8KC起重机具备较强的起重能力，可以轻松应对各种起重任务需求。2. 稳定性强：该起重机采用了先进的液压系统和稳定控制技术，能够保持良好的稳定性，提高工作效率和安全性。3. 灵活性强：QY8KC起重机采用了可伸缩式臂架设计，具备较小的外形尺寸和较好的机动性能，适应性强。4. 操作简便：该起重机采用了先进的电子控制系统和操纵设备，操作简单易懂，降低了操作难度。5. 安全性高：徐工QY8KC起重机经过严格的质量控制和安全测试，具备良好的安全性能，可靠性高，能够有效保障工作人员和设备安全。6. 经济性好：徐工QY8KC起重机在设计上考虑了节能环保和成本控制，具备较高的经济性，并且能够达到较高的工作效率。

The advantages of XCMG QY8KC crane include: 1. High lifting capacity: QY8KC crane has strong lifting capacity, which can easily cope with a variety of lifting task requirements. 2. Strong stability: the crane adopts advanced hydraulic system and stabilization control technology, which can maintain good stability and improve efficiency and safety. 3. Strong flexibility: the QY8KC crane adopts a retractable Boom design, with smaller external dimensions and better maneuverability, strong adaptability. 4. easy to operate: the crane adopts advanced electronic control system and manipulation equipment, simple and easy to understand the operation, reducing the difficulty of operation. 5. high safety: the XCMG QY8KC crane has been subjected to rigorous quality control and safety testing, with good safety performance, high reliability, and can effectively protect the safety of staff and equipment. 6. good economy: the QY8KC crane adopts advanced hydraulic system and stability control technology, which can maintain good stability and improve work efficiency and safety. Good economy: XCMG QY8KC cranes are designed with energy saving and environmental protection and cost control in mind, which have high economy and can achieve high working efficiency.