1.Pneumatic Slewing Crane 2.Adjustable speed 3.Simple operation 4.Clean, ... 5.0.1-10 tons Beijing Shuangtai Pneumatic Slewing Crane takes air hoist as the lifting device,as a ... kind of new type gantry crane, It only needs the 0.5 ~ 0.6 ... inflammable, explosive and dusty environment safely.Our Pneumatic Gantry Crane is widely used in mills,mines,enterprises,stations and harbours ...