According to the needs of special occasions, metallurgical electric hoist applies output end braking, two-speed dual-winding motor and M6 working level square hoisting reducer. The design and manufacture fully meet the requirements of the General Administration of Quality Supervision, Inspection and Quarantine. After national type tests and 800-hour overload and uninterrupted life tests, the performance indicators fully meet the design and use requirements. The rated lifting capacity is 2 to 10 tons.