DRY CARGO INTERNATIONAL Pneumatic Bulk Handling Equipment  Mobile Pneumatic Unloaders Christianson Systems has long been an industry leader in the development of mobile combination vacuum and pressure dry cargo pneumatic conveyors. It is the home of Vac-U-Vator, GrainVayor, Handlair Grain Conveyor, Chem-Vac, ship unloaders and small rock conveyors. They introduced pneumatic grain conveying to USA agriculture back in the early 70s and have been spearheading wider uses, higher capacity, efficiency, less noise, less dust and less product degradation in its line of … [Read more...]