... ISO9001 Tongrui NRY Used Oil Regeneration System is particularly suitable to regenerate used engine oil including diesel engine oil, gasoline engine oil,motor oil,ship engine oil, truck oil ... life time of engine oil and engine as wellEdges of NRY1.Environmentally friendly, no acid used during operation ... size, light weight, low noise. NRY-V Waste Gasoline Engine oil Recycling with 10,000Liters per day