What level of unit is PetroChina?

Petrochina unit belongs to the ministerial level. The Energy Bureau of the National Development and Reform Commission belongs to the director level, while the giants such as PetroChina, Sinopec and State Grid Corporation are all ministerial level or vice ministerial level. China Petroleum and Natural Gas Group Corporation is an important state-owned backbone enterprise, a comprehensive international energy company mainly engaged in oil and natural gas business, engineering and technical services, petroleum engineering construction, petroleum equipment manufacturing, financial services and new energy development, and one of the major oil and gas producers and suppliers in China. China Oil and Gas Co., Ltd. is the largest producer and seller of oil and gas in China oil and gas industry, a state-owned enterprise, one of the largest sales companies in China and one of the largest oil companies in the world. China National Petroleum Corporation (CNPC) is a large state-owned enterprise directly managed by the central government. As the largest supplier of crude oil and natural gas in China, China Petroleum and Natural Gas Group Company's business involves oil and natural gas exploration and development, oil refining and chemical industry, pipeline transportation, oil refining and chemical product sales, petroleum engineering and technical engineering. China oil and gas industry, petroleum machinery manufacturing, petroleum trade and other fields, as well as oil and gas production. Dominant in processing and sales.