Feng Shan Zhang

China National Petroleum Corp. engages in the production and supply of oil and gas products. Its businesses include petroleum exploration and production, natural gas and pipelines, refining and marketing, oilfield services, engineering construction, petroleum equipment manufacturing and new energy development, as well as capital management, finance, and insurance services. The company was founded on February 9, 1990 and is headquartered in Beijing, China.

Liaohe Petroleum Exploration Bureau Co., Ltd. is a Chinese company that engages in engineering construction, technical service, goods supply, gas injection, and production. The company is based in Panjin, China. The company is a subsidiary ultimately controlled by the Government of China. The company was founded in 1984. The CEO is Zhong Xing Li.