徐工QY100K6C起重机有以下优点：1. 高起重能力：徐工QY100K6C起重机的最大起重能力为100吨，可以满足大多数工程项目的需求。2. 高度灵活性：该起重机采用全液压伸缩式大腿，可实现多种工作状态的切换，如全伸、半伸和全收等，方便在狭小空间内操作。3. 高效的工作性能：徐工QY100K6C起重机采用智能系统控制，具有很高的操作精度和稳定性，提高了工作效率。4. 安全可靠：起重机采用了多项安全保护装置，如超载保护、限位保护和故障自诊断系统等，确保工作安全可靠。5. 节能环保：徐工QY100K6C起重机采用了先进的液压系统和电动系统，具有较高的能效，减少了能源消耗和环境污染。6. 舒适的驾驶室：驾驶室采用音频娱乐系统和空调系统，提供了良好的工作环境，减轻了操作员的疲劳感。7. 方便维护：起重机设计合理，易于维护和保养，减少了维修时间和成本。

XCMG QY100K6C crane has the following advantages:1. High lifting capacity: the maximum lifting capacity of XCMG QY100K6C crane is 100 tons, which can meet the needs of most projects.2. High flexibility: the crane adopts fully hydraulic telescopic thighs, which can realize the switching of many working conditions, such as full extension, half extension and full retraction, which is convenient to operate in a narrow space.3. Efficient working performance: XCMG QY100K6C crane adopts intelligent system control, which has high operating precision and stability, and improves working efficiency.4. Safety and reliability: The crane adopts a number of safety protection devices, such as overload protection, limit protection and self-diagnostic system of faults, etc., which ensures safe and reliable work.5. Energy saving and environmental protection: XCMG QY100K6C crane adopts advanced hydraulic system and electric system, which has high efficiency. system and electric system, which has high energy efficiency and reduces energy consumption and environmental pollution.6. Comfortable cab: The cab adopts audio entertainment system and air-conditioning system, which provides a good working environment and reduces the operator's fatigue.7. Convenient maintenance: The crane is reasonably designed, which is easy to maintain and repair, and reduces the time and cost of repair.