Other netizens said that the heavy oil company of No.1 Plant and No.2 Plant ... and so on are just department-level units under PetroChina Xinjiang Oilfield Company. Drilling company, logging company, logging company, etc. It is a division-level unit under China Petroleum Western Drilling Company. This answer belongs to the accurate answer officially published by Karamay, which was before September 20 14.
There are also some joint ventures, which are nothing more than the above-mentioned joint ventures with other enterprises and are no longer listed. There are many such enterprises, such as Hongshan Oilfield Company, Jingongbi Company, inefficient oilfield operation area, Heiyoushan Company, Xingang Company, Yucheng Thermal Power Company and so on.