1. Dehydration large amount of water or minimum water as well as degas containing in oil; 2. Remove out acid, residuals, particles and other related impurities in oil; 3. Upgrade waste oil color to refresh or new oil color while keeping property & function of oil; 4. Applied to kinds of waste/used oil, including engine oil, lube oil, lubricant oil, motor oil, ship oil, hydraulic oil, car oil, inter combustion oil, etc. 5. With its recycling features, has been exported to Singapore, Korea, Malaysia, Jordan, Saudi Arabia, etc.