Which oil is better, China Petrochemical, China Petroleum and Shell?

In the traditional sense, China's three giants of gasoline production have always had the names of "three barrels of oil": PetroChina, Sinopec and CNOOC (in order of oil production scale).

For a long time, "three barrels of oil" has represented the national standard for oil demonstration. As for the so-called "Sinopec crude oil is imported, so the oil product is higher than PetroChina", it is also completely misinformed. Because China's crude oil mainly imported from the Middle East is actually a low-grade high-sulfur crude oil, not a high-grade crude oil.

In fact, the finished gasoline products of "three barrels of oil" are very close, especially after the fuel environmental protection level entered the fifth stage of China. As for Shell Oil in China, it is a joint venture, and Shell cooperates with Yanchang Oil to contribute capital. Therefore, it is not comparable with foreign Shell oil products. The oil in Shell gas station in China is almost the same as "three barrels of oil".

the only principle is: which gas station is close to the company or home, or which gas station has strong preferential treatment and cheap price, go to which one.