Electric double girder trolley overhead crane mainly consists of bridge, trolley-traveling mechanism, crab and electrical appliances, Perfectrding to the use frequency. This crane operation is completed in driver’s chamber, remote control, or wired handle. and different working occasions obviously request different working class (A5, A6, A7, A8), Capacity: 5T, 10T, 16/3.2T, 20/5T, 32/5T, 50/10T