◆ Quality grade selected according to your model:

First refer to the "car manual" to select the appropriate level. Then, make some adjustments according to the specific conditions of your car. For example; City taxis are often in a stop-start state, heavy trucks travel long distances, dust in the air and other reasons will accelerate oil deterioration, at this time it is best to use a higher level of engine oil. For example, the "Automobile said Lang Book" requires APISL level or above specifications of oil products. Under the above conditions, it is recommended to use API SM or above, or oil that meets ACEA specifications.

◆ Viscosity grade selected according to climate:

Refer to the chart to select the appropriate drilling grade. In this way, the engine can be smoothly started at low mixing, and lubrication and sealing can be ensured at high temperatures. In addition, as far as possible to choose winter and summer general oil, both multigrade oil, but generally only refer to low temperature viscosity grade. The high wet viscosity grade is not directly related to the ambient temperature. Such as: 5W-30 can be applied to the lowest temperature of -30℃, but there is no correlation with the highest ambient temperature. That is not equivalent to the viscosity of the oil can not be applied to the ambient temperature above 30℃. The 5W-30 viscosity grade can be used in all regions of the country for four seasons, and more importantly, the viscosity grade oil has good low-temperature performance and viscous washing performance, which can effectively reduce engine losses and save fuel.