China Construction Machinery Tower Crane (QTZ50-4810) -with Jib Length: 48m/Max. Load: 4t/Tip Load: 1.0t, Find details about China Crane, Building Tower Crane from Construction Machinery Tower Crane (QTZ50-4810) -with Jib Length: 48m/Max. Load: 4t/Tip Load: 1.0t