1.Filtrate oil used in Electric power,mining machinery,metallurgy,manufacture of building materials,etc. 2.high effective Oil:Hydraulic oil,gear oil,refrigerator oil,compressor oil ect.. Features Deep impurity remotion,de-water,de-gassing,de-hydrocarbon,de-alkane technique. Forced air cooling technique and high quality filter elements.Easy and smooth operation,universal moveable and size small. ...