12 tons of cranes, 6.5 meters*5 arm, arm length of 31 meters, leggings span 6.5*6.5 meters, the shape size is 9.1*2.15*3 meters, the large shelter retract is 1.3 meters, the air brake, three rows of legs, weighing 13 tons of 13 tons, weighing 13 tons of 13 tons