(1)frequently-used bridge crane 1. Hanger bridge crane is suitable for workshop or warehouse to process, repair and assemble machine 2. Bridge crane with grab bucket is used in warehouse, stockyard and workshop 3. Magnetism bridge crane is used to lift and transport metal material with magnetoconductivity (2) optional specifications in HUAZHONG 1.lifting capacity2t-100t 2.span ¡Ü40m 3.lifting height¡Ü20m (3) main structure be made up of 5 parts 1. trolley with hoist 2. crane travel mechanism 3. crane span structure 4. electrical equipment 5. control cabin