China's self-developed Subsea Xmas Tree system installed in

China’s first domestically developed offshore oil and gas extraction facility, the Subsea Xmas Tree, has been installed in the Yinggehai sea in South China’s Hainan Province, China National Offshore Oil Corporation (CNOOC) announced on Wednesday.

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China , Yinggehai , Hainan , Liu Shujie , Cnooc , China National Offshore Oil Corporation , Subsea Xmas Tree , South China , Hainan Province ,