徐工(gōng)QY20K5起重(zhòng)机(jī)具有以下优点：1. 高承载能(néng)力：徐工(gōng)QY20K5起重(zhòng)机(jī)具有20吨的起重(zhòng)能(néng)力，能(néng)够应对大部分起重(zhòng)作(zuò)业需求。2. 卓越的安全性能(néng)：徐工(gōng)QY20K5起重(zhòng)机(jī)配备有完善的安全保护装置，如超重(zhòng)、超载、超高、超限等多种保护装置，确保施工(gōng)过程中的安全可(kě)靠。3. 灵活性强：徐工(gōng)QY20K5起重(zhòng)机(jī)可(kě)360度旋转，配备多段式折叠臂，能(néng)够在狭小的工(gōng)作(zuò)空间内完成复杂的起重(zhòng)作(zuò)业，提高施工(gōng)效率。4. 操控(kòng)简便：徐工(gōng)QY20K5起重(zhòng)机(jī)采用液压驱动，配备操作(zuò)平台，操作(zuò)简单便捷，可(kě)以迅速熟悉操作(zuò)技巧。5. 低运输成本：徐工(gōng)QY20K5起重(zhòng)机(jī)整机(jī)重(zhòng)量较轻，容易 进行拆装和运输，降低运输成本。6. 低能(néng)耗：徐工(gōng)QY20K5起重(zhòng)机(jī)采用先进的液压系统和电控(kòng)系统，具有低能(néng)耗的特点，节能(néng)环保。7. 可(kě)靠性强：徐工(gōng)QY20K5起重(zhòng)机(jī)采用高强度钢材制造，结构牢固，具有良好的承载性能(néng)和稳定性，能(néng)够适应各种复杂环境的作(zuò)业需求。总之，徐工(gōng)QY20K5起重(zhòng)机(jī)具有高起重(zhòng)能(néng)力、安全可(kě)靠、灵活性强、操控(kòng)简便等优点，适用于各种工(gōng)地起重(zhòng)作(zuò)业需求。

XCMG QY20K5 crane has the following advantages: 1. high load capacity: XCMG QY20K5 crane has a lifting capacity of 20 tons, which can cope with most of the lifting needs. 2. excellent safety performance: XCMG QY20K5 crane is equipped with perfect safety protection devices, such as overweight, overload, overheight, over the limit, and other protective devices, to ensure that construction is safe and reliable. 3. flexible: XCMG QY20K5 crane can be rotated 360 degrees, equipped with multi-section folding jib to complete complex lifting operations in a narrow workspace, and improve the efficiency of the work. 4. Strong flexibility: XCMG QY20K5 crane can be rotated 360 degrees, equipped with multi-segment folding jib, able to complete complex lifting operations in a small workspace, improve construction efficiency.4. Simple operation: XCMG QY20K5 crane is hydraulically driven, equipped with an operating platform, easy and convenient to operate, and you can quickly familiarize yourself with operating skills.5. Low transportation costs: XCMG QY20K5 crane is lightweight and easy to operate. Crane weight is light, easy to disassemble and transport, reduce transportation costs. 6. low energy consumption: XCMG QY20K5 crane adopts advanced hydraulic system and electronic control system, with low energy consumption, energy saving and environmental protection. 7. strong reliability: XCMG QY20K5 crane is made of high-strength steel, solid structure, good load-bearing performance and stability, and can adapt to a variety of complex environments. It can adapt to the operational needs of various complex environments. In short, XCMG QY20K5 crane has the advantages of high lifting capacity, safety and reliability, flexibility, easy to maneuver, etc., applicable to a variety of site lifting needs.