In year 2023, China's petrochemical industry was operating in a complex and changeable economic environment. The overall situation is as follows: in the first half of the year, the petrochemical industry achieved operating income of 7.6 trillion yuan, down 4.4% year-on-year. Among them, the revenue

Petrochemical industry is a huge industrial system, covering many different industries and fields. According to different classification methods, petrochemical industry can be divided into the following categories: I.Primary industry: petroleum and petrochemical II.Secondary industry: oil and gas ex