四(sì)川长江QYT12起重(zhòng)机的(dí)优点如下：1. 大起重(zhòng)量：QYT12起重(zhòng)机的(dí)最大起重(zhòng)量达到12吨，能够满足大部分中小型项目的(dí)起重(zhòng)需求。2. 高工作效(xiào)率：起重(zhòng)机采用液压操作系统，可以实现平稳、高效(xiào)的(dí)起重(zhòng)操作，提高工作效(xiào)率。3. 灵活(huó)性强：起重(zhòng)机具有360度旋转能力，可以在狭小的(dí)工地环境中灵活(huó)操作，提高工作的(dí)灵活(huó)性。4. 稳定(dìng)性高：起重(zhòng)机设计采用稳定(dìng)的(dí)脚架结构和平衡装置，能够保证起重(zhòng)过程的(dí)稳定(dìng)，提高安全性。5. 操作简便：起重(zhòng)机采用电脑控制(zhì)系统和液晶显(xiǎn)示屏，操作简单方便，降低了操作人员的(dí)学习成本。6. 质量可靠：四(sì)川长江是一家有着多年起重(zhòng)机制(zhì)造经验的(dí)企业，其产品质量可靠，有完善的(dí)售后服务体系。7. 价格优势：相比其他品牌的(dí)起重(zhòng)机，四(sì)川长江QYT12起重(zhòng)机价格较为优惠，具有一定(dìng)的(dí)竞争力。综上所述，四(sì)川长江QYT12起重(zhòng)机具有大起重(zhòng)量、高工作效(xiào)率、灵活(huó)性强、稳定(dìng)性高、操作简便、质量可靠和价格优势等优点，适用于各种中小型项目的(dí)起重(zhòng)需求。

The advantages of Sichuan Changjiang QYT12 crane are as follows:1. Large lifting capacity: the maximum lifting capacity of QYT12 crane reaches 12 tons, which can meet the lifting needs of most small and medium-sized projects.2. High working efficiency: the crane adopts hydraulic operating system, which can realize smooth and efficient lifting operation and improve the working efficiency.3. Flexible: the crane has a 360-degree rotating capacity, which can be flexibly operated in the narrow site environment, improve the flexibility of work. 4. high stability: the crane is designed with stable tripod structure and balancing device, which can ensure the stability of the lifting process and improve safety. 5. easy operation: the crane adopts a computerized control system and LCD display, which makes the operation simple and convenient, and reduces the cost of learning for the operator. 6. reliable quality: sichuan changjiang is a company with many years of Crane manufacturing experience, the quality of its products is reliable, there is a perfect after-sales service system. 7. price advantage: compared with other brands of cranes, Sichuan Changjiang QYT12 crane price is more favorable, has a certain degree of competitiveness. In summary, Sichuan Changjiang QYT12 crane has the advantages of large lifting capacity, high efficiency, flexibility, high stability, easy to operate, reliable quality and price advantage, applicable to a variety of small and medium-sized projects lifting needs.