1.High precison 2.To purify truck oil/hydraulic oil/turbine oil 3.vaccum purify/vacuum oil ... system, power system and the lubrication system. It’s suitable for petroleum, chemical, mine, metallurgy, electric power, transportation, machinery manufacturing, ... oil purifier, diesel oil purifier, motor oil purifier, car oil, truck oil,turbine oil ,mechanical oil, coolant oil purifier,machinery oil ...