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China National Nuclear Corporation is a large state-owned enterprise established by the State Council, its predecessor is the second ministry, the Ministry of nuclear industry, China Nuclear Industry Corporation, composed of more than and 100 enterprises and scientific research institutes. CNNC is the main investor and owner of nuclear power ,the main body of the development of nuclear power technology development , the main design of domestic nuclear power suppliers and nuclear fuel supplier, Is an important nuclear power operation technology service provider, as well as professional suppliers of nuclear instrumentation and non-standard equipment

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China Offshore Oil Sales Co., Ltd.
China National Offshore Oil Corporation is an extra large state-owned enterprise directly under the state owned assets supervision and Administration Commission of the State Council, and is the largest offshore oil and gas producer in China. The company was founded in 1982 and headquartered in Beijing. Since its inception, China CNOOC maintains a good momentum of development by a simply engaged in the exploitation of oil and gas upstream company, become the highlight the main industry, a complete industrial chain of international energy company.
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large central enterprises belong to the SASAC supervision, the main business: production of electricity, heat production and supply; Electricity related coal and other energy development and related professional and technical services
