1. 高(gāo)起升高(gāo)度和超大起升能力(lì)：STC120C4系列起重机可以达到50米左右的(dí)起升高(gāo)度，起重能力(lì)可以达到120吨左右，适用于大型项目和重量较大的(dí)物品起吊。2. 灵活多样的(dí)操作模式：起重机可通过无线遥控和操作室两种操作方式进行控制，提供了(liǎo)更多选择和便利性。3. 优秀的(dí)安全性能：STC120C4系列起重机配备了(liǎo)多重安全保护(hù)装置，包括起升过载保护(hù)、倾覆报警装置等，能够确保操作过程中的(dí)安全。4. 效(xiào)率高(gāo)和节能环保：起重机采用了(liǎo)先进的(dí)液压系统和动力(lì)匹配技术，确保了(liǎo)起升效(xiào)率的(dí)提高(gāo)，减少了(liǎo)能源消耗，更加环保。5. 可靠稳定的(dí)性能：STC120C4系列起重机采用了(liǎo)先进的(dí)设计和生产工艺，结构稳定，运行平稳，具有可靠性和耐用性。6. 优秀的(dí)适应性和可靠性：STC120C4系列起重机适用于各种工况和作业场地，并且具备较高(gāo)的(dí)适应性和可靠性。总之，三一重工STC120C4系列起重机具有起重能力(lì)强大、操作灵活、安全可靠、节能环保等多方面的(dí)优点，适用于各种起重作业场合。

1. high lifting height and large lifting capacity: STC120C4 series cranes can reach a lifting height of about 50 meters and a lifting capacity of about 120 tons, which is suitable for lifting large projects and items with large weights. 2. flexible and diverse modes of operation: the cranes can be controlled by two modes of operation: wireless remote control and operation room, which provides more choices and convenience. 3. excellent Safety performance: STC120C4 series cranes are equipped with multiple safety protection devices, including hoisting overload protection, tipping alarm device, etc., which can ensure safety during operation.4. High efficiency and energy-saving and environmental protection: the cranes adopt advanced hydraulic system and power matching technology, which ensures the improvement of hoisting efficiency, reduces energy consumption and is more environmentally friendly.5. Reliable and stable performance: STC120C4 series cranes adopt advanced design and production process, stable structure, smooth operation, reliability and durability.6. Excellent adaptability and reliability: STC120C4 series cranes are suitable for a variety of working conditions and operating sites, and have high adaptability and reliability. In short, Sany Heavy Industry STC120C4 series cranes have the advantages of powerful lifting capacity, flexible operation, safety and reliability, energy saving and environmental protection, etc., and are suitable for a variety of lifting operations.