... and cooled in to liquid through three stages cooling, they’re separately stored in water, gasoline/diesel, light lube oil, ... ,Vacuum system:vacuum cooler,vacuum water tank,vacuum pump set;6,Oil storage system:Receiving tanks for all distilled ... oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); DIR Black Diesel Engine Oil Re-refining System/Vacuum Distillation Equipment/Oil Regeneration Machine