Air bearings casters also named air casters, air rigging systems, air mover, air skates, air bearings mover, air load skates and so on names. Air casters power source is compressed air, is friendly with environment, and save cost. Our company Shan Dong Finer Lifting Tools co.,LTD produce air bearings casters professionally for more than 20 years, our air casters capacity is from 10 tons to 48 tons ...