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   Hunan Macrolink International Petroleum Trade Co., Ltd. was established in 2005 and is one of the 28 petroleum companies that have import licenses approved by the state Department of Commerce. It mainly focuses on the wholesale and retailing business of crude oil, refined oil products and fuel oil. The company owns a number of large oil tanks and about 50 service stations in over 10 provinces and cities. Its annual revenue is around 15 billion RMB.