There are "wood floor price" and "ceiling price" in the wholesale price system of refined oil in China, that is, they refer to the upper and lower limits set by the price mechanism. The main reason for setting the upper and lower limits is that China is not only a big country in oil export and consumption, but also a big country in oil production and manufacturing. Too high and too low oil prices are harmful to the level of difference.

The high oil price in China will increase the pressure on the edible oil field and customers, endangering the stable operation of social economy; Low oil prices will endanger the conventional development trend in China's oil exploitation field, weaken self-sufficiency and further increase dependence on opening to the outside world, which is not conducive to ensuring China's electric energy security.

In recent years, China's refined oil price adjustment showed a layout of "zero rise, three falls and three folds" in April. However, according to the requirements of the Regulations on Petroleum Price Management promulgated on 20 16, China's refined oil price system has set an upper and lower limit, with the upper limit of 130 ("maximum price") and the lower limit of $40 ("floor price"). New oil price inquiry

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