出于人身、财产安全的考虑,如果大吨位起重机的臂杆等重要结构件损坏,用户往往采取整件更换的方法,因为市场上起重机存在多个品牌、多种型号,一般起重机维修公司不可能将所有材料备齐,所以,一旦大吨位起重机的臂杆结构件损坏,基本上只能由其制造商承担维修工作。然而,目前中国市场上的大吨位起重机多是欧美品牌,因人工费、运输费及关税等因素,导致 For reasons of personal and property safety, if the structural components such as the boom of a large tonnage crane are damaged, the user often adopts the method of replacing the whole part because there are many brands and models of cranes on the market. Therefore, it is impossible for a general crane maintenance company With all the material in place, maintenance of the boom components of large tonnage cranes can be undertaken essentially only by their manufacturer. However, at present, most large-tonnage cranes in the Chinese market are mostly European and American brands. As a result of labor costs, transportation costs and customs duties, etc.,