... 3 Two main filtering system ---------------Sinonsh118---------------Waste Oil Re-refine MachineryUsed oil rerefine system is suitable to regenerate ... :1 Re-refine used oil2 Stainless steel filters. Automatic reverse-washing system. T wo main filtering systems to ... weight and low noise.---------oil recycling, oil re-refine, reclamation, regeneration, degas, machine oil, used oil, engine oil, black ...