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1 China National Petroleum Corporation (CNPC)
China's largest producer & supplier of crude oil & natural gas; activities: petroleum production, processing & marketing, producing refined oil products & petrochemicals etc; also provides operational services & technical support; based in Beijing
2 China National Offshore Oil Corporation (CNOOC)
State-owned oil company; has overall responsibility for the exploitation of oil and gas resources offshore China in cooperation with foreign partners; also plays a role in mid- and downstream businesses
Company engaged in the exploration, development and production of crude oil and natural gas; refining, transportation, storage and marketing of crude oil and petroleum products; production and sale of chemicals; transmission and sale of natural gas
4 Sinopec Corp (China Petroleum & Chemical Corporation)
One of the largest integrated petroleum and petrochemical companies in China with upstream, midstream and downstream operations; activities: exploration, development, production and trading of crude oil and natural gas, running petrol stations etc
Petroleum Chemicals Fertilisers
5 China International United Petroleum & Chemicals Co Ltd (Unipec)
Large international trading corporation that is part of the Sinopec group; mainly engaged in the import and export of crude oil and refined products and other related businesses; based in Beijing
6 SinoBright Clean Oil Technologies Co Ltd
Independent legal entity closely associated with PetroChina; based in Beijing; activities: oil technology development, domestic distribution & international trade of petrochemical products, developing alternative energy sources etc
Petroleum Petrochemicals Fertilisers
Oil & gas producers whose activities include exploration, production etc; subsidiary of Ivanhoe Energy Inc; has interests in the Kongnan oil project at Dagang in Hebei province, and a natural gas project in Sichuan province
