JL Portable Oil Purifying and Oiling Machine (oil filtration, oil purification, oil filter, oil purifier, oil recycling, oil treatment, oil regeneration, oil restoration, oil filtering, waste oil disposal, oil reclaiming, waste oil management, energy saving, oil reconditioned, oil reconstituted, oil restituting, oil recovering) Oiling Machine As composed of three-stage precise filtering, this machine is an ideal substitute of the board-frame oil purifier and the centrifugal oil purifier. It is also can serve as precise filtering and oiling.