vacuum oil purifier 1.quicly remove impurities,water,gas,lighthydrcarbon,acid and break ... adapted to different types: Application: DYJ Multi-Function Lubrication Oil Purifier is developed according to the characteristics of various lubrication oils ... , make it like new one. DYJ Multi-Function Lubricating Oil purifier is widely apply in electric power, metallurgy, mine, machinery, chemical ...