四川长江TTC100G2-II起重机有以下优点：1. 高承载能力：TTC100G2-II起重机的承载能力达到了100吨，能够满足大多数重型起重作业需求。2. 高升降速度：该起重机具有快速升降速度，能够在短时间内完成起升作业，提高工作效率。3. 稳定性强：TTC100G2-II起重机采用了稳定性高的四脚架设计，能够在不平坦的地面上保持稳定，确保作业安全。4. 操作简便：起重机配备了先进的液晶显示屏和操纵杆，操作简单方便，降低了操作难度。5. 可靠性高：TTC100G2-II起重机采用了高强度材料和先进的制造工艺，具有较高的可靠性和耐用性，能够满足长时间、高强度的起重作业需求。6. 配置多样：该起重机可根据不同工作需求进行多种配置，例如可以选择不同长度和类型的臂架、配备吊具等，满足不同厂商的需求。7. 具有安全保护装置：TTC100G2-II起重机配备了多种安全保护装置，如超载保护、限位器等，能够有效保护起重机和操作人员的安全。总之，四川长江TTC100G2-II起重机具有高承载能力、快速升降速度、稳定性强、操作简便、可靠性高、配置多样以及安全保护装置等优点，适用于各种重型起重作业需求。

Sichuan Changjiang TTC100G2-II crane has the following advantages: 1. high load capacity: the load capacity of TTC100G2-II crane reaches 100 tons, which can meet the needs of most heavy lifting operations. 2. high lifting speed: the crane has a fast lifting speed, which can complete the lifting operation in a short time and improve the work efficiency. 3. high stability: TTC100G2-II crane adopts high stability quadrupod design, which can keep stable on uneven ground and ensure the safety of operation. 4. easy operation: the crane is equipped with advanced LCD display and joystick, which is easy and convenient to operate, and reduces the difficulty of operation. 5. high reliability: the TTC100G2-II crane adopts high-strength materials and advanced manufacturing process. It has high reliability and durability, and can meet the needs of long-time and high-intensity lifting operations.6. Various configurations: The crane can be configured in various ways according to different work requirements, such as different lengths and types of jibs, equipped with spreaders, etc., to meet the needs of different manufacturers.7. With safety protection devices: TTC100G2-II cranes are equipped with a variety of safety protection devices such as overload protection, limiters, etc., which can effectively protect the crane and the operator's safety. In a word, Sichuan Changjiang TTC100G2-II crane has the advantages of high load capacity, fast lifting speed, strong stability, easy operation, high reliability, various configurations and safety protection devices, which is suitable for all kinds of heavy lifting operations.