There are many opinions of what makes a good engine oil, and how a good oil should perform....
There are just too many diversities of thoughts ......
I would like to share how I choose my engine oil:
1) We know that engine oil is made of base oil and additive.... If we would have idea on the quality of this 2 raw material, it should be very helpful in choosing engine oil...
- I prefer engine oil makers that have their own crude oil extraction and base oil processing facilities...
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