Mainly suitable for mining, metallurgy, petroleum, railway, machinery, chemical industry, textile, cement, power plant, instrumentation and other departments. It plays an important role in the purification and regeneration of various industrial lubricating oils with worsening pollution, prolongs the maintenance cycle and service life of the equipment, and reduces the production cost. It can effectively remove pollutants such as water, water-soluble acids, alkalis, and mechanical impurities in the oil, and improve the kinematic viscosity, flash point and emulsification of the oil. Quickly restore the oil product to the required performance, approaching or reaching the corresponding national new oil product standard.