... unit 3,energy saving 4,final oil is as new. Series HCY Oil regeneration equipment is special for regenerating the black ... turbine oil recycling machine,-- lubricating oil ,hydralic oil regeneration,-- engine oil,motor oil,car oil,hydrualic oil recycling machine,oil decolorization, deacidification, dealkalizing.-- oil vacuum distillation plant ,-- oil refinery ,diesel production line,-- waste ...