According to relevant data, Dongying has -20 diesel at the fifth gas station of PetroChina. The address is in the north of the intersection of Jinan Road and Haitong Road, Dongying District, Dongying City. There are diesel oil 0,-10, -20, -35.

Dongying, also known as Oil City, is a prefecture-level city in Shandong Province, People's Republic of China (PRC). It is located in the northeast of Shandong Province, at the mouth of the Yellow River, the central city of the Yellow River Delta in China and an important oil base in China.