三一重工STC1000C5-8起重机的优点包括：1. 大吨位承载能力：STC1000C5-8起重机具有100吨的承载能力，可以应对各种重型起重任务。2. 灵活性高：该起重机配备了可伸缩式臂杆，可以根据工地的实际需求进行调整，提供更大的工作范围。3. 卓越的稳定性：STC1000C5-8起重机配备了稳定器系统，可以有效提高起重机的稳定性，确保在起重过程中的安全性。4. 操控简单：该起重机配备了先进的操作系统和液晶显示屏，操作简便，提高了操作人员的工作效率。5. 可靠性高：三一重工是国内领先的起重机制造商之一，STC1000C5-8起重机采用了先进的技术和高质量的材料，具有强大的耐用性和可靠性。6. 高效节能：STC1000C5-8起重机采用了精密的液压系统和高效的动力系统，具有较低的能耗和环保性能。综上所述，三一重工STC1000C5-8起重机具有强大的承载能力、灵活性高、稳定性好、操控简单、可靠性高和高效节能等优点。

The advantages of Sany STC1000C5-8 crane include:1. Large tonnage carrying capacity: the STC1000C5-8 crane has a carrying capacity of 100 tons, which can cope with a variety of heavy lifting tasks.2. High flexibility: the crane is equipped with a retractable boom, which can be adjusted according to the actual needs of the construction site to provide a larger working range.3. Excellent stability: STC1000C5-8 crane is equipped with stabilizer system, which can effectively improve the stability of the crane and ensure the safety during lifting.4. Simple operation: The crane is equipped with advanced operating system and LCD display, which is easy to operate and improves the efficiency of the operator.5. High reliability: Sany Heavy Industry is one of the leading crane manufacturers in China. STC1000C5-8 crane adopts advanced technology and high-quality materials, which has strong durability and reliability.6. High efficiency and energy saving: STC1000C5-8 crane adopts precise hydraulic system and high-efficiency power system, which has low energy consumption and environmental performance. To summarize, Sany STC1000C5-8 crane has the advantages of powerful load carrying capacity, high flexibility, good stability, simple control, high reliability and energy efficient.