徐工QY100K7C起重机具有以下优点：1. 强大的起重能力：徐工QY100K7C起重机拥有100吨的额定起重能力，能够轻松应对各种起重任务。2. 灵活的工作范围：该起重机配备了长臂、超长臂和普通臂等多种工作配置，可以根据不同的工作需求自由选择。3. 高效的工作性能：徐工QY100K7C起重机采用了先进的液压系统和电气系统，具有快速响应和高精度的操作性能，可以提高工作效率。4. 安全可靠的设计：起重机采用了先进的结构设计和优质的材料，具有良好的稳定性和抗风性能，确保了工作过程中的安全可靠性。5. 驾驶舒适性高：该起重机配备了宽敞舒适的驾驶室和人性化的控制系统，提供了良好的操作体验和驾驶舒适性。6. 维护便捷：起重机采用了模块化设计，易于维护和维修，减少了维护成本和停工时间。总之，徐工QY100K7C起重机是一款功能强大、性能优越、安全可靠的起重设备，适用于各种重型起重作业。

XCMG QY100K7C crane has the following advantages:1. Powerful lifting capacity: XCMG QY100K7C crane has a rated lifting capacity of 100 tons, which can easily cope with a variety of lifting tasks.2. Flexible working range: The crane is equipped with a variety of working configurations, such as long jib, extra-long jib, and normal jib, which can be freely selected according to different working requirements.3. High-efficiency working performance : XCMG QY100K7C crane adopts advanced hydraulic system and electrical system, with quick response and high precision operation performance, which can improve the working efficiency.4. Safe and Reliable Design: The crane adopts advanced structural design and high-quality materials, with good stability and wind resistance performance, which ensures the safety and reliability during the working process.5. High Driving Comfort: The crane is equipped with a spacious and comfortable cab and humanized control system, providing a good operating experience and driving comfort.6. Convenient maintenance: the crane adopts a modular design, which is easy to maintain and repair, reducing maintenance costs and downtime. All in all, XCMG QY100K7C crane is a powerful, high-performance, safe and reliable lifting equipment, which is suitable for all kinds of heavy lifting operations.