LD model single beam overhead crane is characterized by more reasonable structure and higher strength steel as a whole, the box frame main beam and end carriage are made by U-section steel. This single beam overhead crane is used together with CD1/MD1 model wire rope electric hoist or HC/HM model wire rope electric hoist as a complete set, It is light duty class crane, the capacity from 1 to 30 tons. The span from 7.5m to 35m, the working grade are A3 and A4. Working temperature within -25 to +40 centigrade. This single beam overhead crane is widely used in plants, warehouses, material stocks to lift goods. It is prohibited to use the equipmenmt in the combustible, explosive to corrosives environment. The control models are pendant pushbutton control, wireless remote control and cabin control for choice.