Yue Zhen Liu

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.

PetroChina Pipelines Co. Ltd. provides oil and gas pipeline transmission services. The company is headquartered in Langfang City, China.

China Aerospace Science & Industry Corp. Ltd. researches and develops missile weapon systems. It offers information technologies for military and civil purposes, satellite exploration and application, energy, environmental protection and equipment complex. The firm provides system for developing, researching and manufacturing air defense missile systems, cruise missile systems, solid rockets and space products, covering land, sea, air, space and electromagnetism. The company was founded in 1956 and is headquartered in Beijing, China.

Part of China Avionics Systems Co., Ltd., Beijing Keeven Aviation Instrument Co., Ltd. operates as an investment holding private company. The company is based in Beijing, China. Beijing Keeven Aviation Instrument Co. was acquired by China Avionics Systems Co., Ltd. from The Aviation Industry Corporation of China, Ltd. on December 07, 2012.

Aviation Industry Corporation of China, Ltd. engages in the defense, transport aircrafts, helicopters, avionics and systems, general aviation, research and development, flight testing, trade and logistics, assets management, finance services, engineering and construction and automobiles business. It also provides aircraft leasing, general aviation, transportation, medical, planning and construction services. The company was founded on November 6, 2008 and is headquartered in Beijing, China.