徐工QY80K6C起重机的优点包括：1. 高品质：徐工是一家知名的重型机械制造商，以其高品质、可靠性和耐用性而闻名。QY80K6C起重机是根据徐工丰富的经验和先进的技术研发和制造的，具有卓越的品质和性能。2. 大起重能力：QY80K6C起重机具有80吨的起重能力，可以应对大多数工地的需求。它还具有光滑的起升运动和快速的转场能力，提高了工作效率，并能够应对各种起重任务。3. 灵活性：QY80K6C起重机具有多种工作模式可供选择，包括单顶配重、行走配重、全配重等，可以根据工作需求进行灵活配置。它还可以进行360度旋转，可以在狭小的工地空间中进行操作。4. 安全性：徐工QY80K6C起重机配备了各种安全装置，如超重保护、幅度限制、高度限制等，以确保操作员和周围环境的安全。它还具有稳定的运行和精确的控制系统，提供可靠的起重操作。5. 舒适性：QY80K6C起重机的驾驶室配置了舒适的座椅、空调系统和人性化的操控装置，为操作员提供舒适的工作环境，并减轻了操作员的疲劳程度。总的来说，徐工QY80K6C起重机具有高品质、大起重能力、灵活性、安全性和舒适性等优点，适用于各种起重任务，并能提高工作效率。

Advantages of XCMG QY80K6C crane include:1. High quality: XCMG is a well-known heavy machinery manufacturer, known for its high quality, reliability and durability.QY80K6C crane is developed and manufactured based on XCMG's rich experience and advanced technology, which provides excellent quality and performance.2. Large lifting capacity: QY80K6C crane has a lifting capacity of 80 tons. It can cope with the needs of most construction sites. It also has smooth lifting motion and quick turnaround ability, which improves the working efficiency and can cope with various lifting tasks.3. Flexibility: QY80K6C crane has a variety of working modes to choose from, including single-top counterweight, traveling counterweight, full counterweight, etc., which can be flexibly configured according to the working requirements. It can also rotate 360 degrees, allowing it to operate in tight site spaces.4. Safety: The XCMG QY80K6C crane is equipped with a variety of safety devices, such as overweight protection, amplitude limitation, height limitation, etc., to ensure the safety of the operator and the surrounding environment. It also features stable operation and precise control system to provide reliable lifting operation.5. Comfort: The cab of QY80K6C crane is equipped with comfortable seats, air-conditioning system and user-friendly controls to provide a comfortable working environment and reduce operator fatigue. Overall, XCMG QY80K6C crane has the advantages of high quality, large lifting capacity, flexibility, safety and comfort, which is suitable for various lifting tasks and improves work efficiency.