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There are a great variety of lifting machinery, and their applications are extremely wide. This year, in response to the needs of large-scale engineering projects, single-girder crane machinery in China has seen further development in terms of long boom lengths, high tonnage capacities, and a more complete range of models. Large construction machinery manufacturers such as XCMG, Zoomlion, and Sany Heavy Industry are all capable of producing all-terrain cranes with a capacity of around 1000 tons, as well as crawler cranes with a capacity of around 3000 tons. These large-scale lifting machinery can be used for lifting heavy-duty, long-span structural components, as well as for coordinated lifting operations involving multiple cranes. What causes safety accidents in lifting machinery? There are mainly the following three types: 1. The components of the crane itself, or the lifting equipment and rigging, fail. 2. The operator or supervisor violated the safety regulations regarding the operation and supervision of lifting machinery. 3. There are safety hazards at the construction site. If a crane exhibits any of these conditions, safety accidents are likely to occur. Therefore, in order to reduce such accidents, it is essential not to ignore these factors. Crane lifting is a high-risk type of work, and safety issues are present throughout the entire process, which makes safety management extremely important.