... flow, can produce high quality medical oxygen. It have small volume, occupied small area, the user needn’t cooling water and needn ... exported to Iraq in 2009 Scope of supply: Screw Air compressor 1 set ,Purifier 1 set ,Turbine expander 1 set,Rectification ... set,Molecular sieve 1 set, Spare parts 1 set KDON50 small size oxygen plant