三一重工STC1100T2起重机的优点有以下几个：1. 高承载能力：STC1100T2起重机最大起重能力达到110吨，可以满足大部分的起重需求。2. 多功能性：该起重机配备了多种工作装置，如吊钩、夹具等，可以适应不同场景的起重工作。3. 灵活性强：STC1100T2起重机采用变幅技术，可以实现无级变幅，具有较大的工作范围。4. 安全可靠：该起重机配备了多种安全装置，如重载限制装置、高度限制装置等，确保操作的安全性和可靠性。5. 操控简便：起重机配备了先进的电子控制系统，操作简单方便，帮助操作人员快速掌握起重机的使用。6. 易于维护：STC1100T2起重机具有模块化设计，易于维护和维修，减少停工时间和维护成本。以上是STC1100T2起重机的一些优点，使其成为市场上备受欢迎的起重机之一。

The advantages of Sany STC1100T2 crane are as follows:1. High load capacity: the maximum lifting capacity of STC1100T2 crane reaches 110 tons, which can meet most of the lifting needs.2. Versatility: the crane is equipped with a variety of working devices, such as hooks, clamps, etc., which can adapt to different scenarios of lifting work.3. Flexibility: the STC1100T2 The crane adopts luffing technology, which can realize stepless luffing and has a large working range.4. Safe and Reliable: The crane is equipped with a variety of safety devices, such as heavy load limiting device, height limiting device, etc., which ensures the safety and reliability of the operation.5. Easy to Operate: The crane is equipped with advanced electronic control system, which is easy and convenient to operate and helps the operator to quickly master the use of the crane.6. Ease of Maintenance: STC1100T2 crane has a modular design, easy to maintain and repair, reduce downtime and maintenance costs. These are some of the advantages of STC1100T2 crane that make it one of the popular cranes in the market.