Is there a system for the children of PetroChina’s internally recruited employees?

Yes. According to information from PetroChina, we learned that PetroChina has many forms of employment. Fresh graduates who are recruited through campus recruitment are classified as formal employees and are established. Petroleum refers to a mixture of gaseous, liquid and solid hydrocarbons, which occurs naturally. Petroleum is a viscous, dark brown liquid, known as the "blood of industry".