PetroChina is a wholly state-owned company. It is a comprehensive international energy company integrating production, transportation, marketing, and trade. Its main business includes domestic and international oil and gas exploration and development, refining and chemicals, oil and gas sales, pipeline transportation, international trade, engineering and technical services, and engineering construction. , equipment manufacturing, financial services, new energy development, etc. In 2017, it ranked third in the overall ranking of the world's 50 major oil companies, ranking fourth in Fortune Global 500.

In recent years, the state has paid more attention to environmental governance issues. As a state-owned large-scale energy company, it is not difficult to carry out clean production on the basis of ensuring the stability of the combustion energy supply system. Ou Bao Burner has been committed to the energy-saving and environmental protection renewal of combustion equipment for many years. The core competitive advantage of the product is “five low technology” (low nitrogen, low carbon, low oxygen, low noise, low power consumption), which is in line with the environmental protection needs of PetroChina. .