... fuel (The fuel can be the waste engine oil self) to heat the waste engine oil, very less electricity consumption, so it is ... oil purifier,-- biodiesel production line-- 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 ...