... on basis of LD model. LDA modelelectric single girder crane is designed and improved on basis of LD model, ... electric hoist, it is a kind of light type crane equipment with capacity1—10tonand span 7.5---22.5m, working ... C. The product is widely used in various placessuch as factory, warehouse, stuff yard to lift goods, forbidden to use ... of customers choice. LDA model electric single-girder crane