... special for regenerating the black waste oil, including waste engine oil, lube oil, hydraulic oil, gear oil, dirty diesel oil, mixed oils etc. JZC ... will produce different density diesel fuel oil. JZC Heating device are optional, there are oil-burner furnace, natural-gas furnace, also ... the final product from JZC machine (diesel oil), JZC machine does not use electric heater, It saves much energy and ...