Kang and more wear-resistant synthetic mixed oil, exclusively available to the need for additional protection of old, high mileage, energy-intensive use of vehicles to provide extra protection to prevent the formation of dirt. At the same time, the high viscosity oil to help reduce the oil spill and oil loss. ● to prevent high temperatures, the viscosity of failure, stable lubrication. ● protection against sludge, dirt formed. ● rust, corrosion, reduce friction. High-viscosity and low volatility to reduce oil loss.