... oil or lubricating oils. HCY machine is very suitable for the oil refinery company, also for the small ... oil, hydrualic oil recycling machine, oil decolorization, deacidification, dealkalizing.-- oil vacuum distillation plant,-- oil refinery, diesel production line,-- ... essential oil distillation machine, herb extraction.-- home oil, cooking oil, vegetable oil expeller and refinery, etc.Waiting for ...