China Oilfield Services Ltd. - H Sharesの経常利益率推移
(単位:百万) | 経常利益率 | 前年比 |
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Provision of oilfield services including drilling services, well services, marine support services, and geophysical and surveying services.
Provision of oilfield services including drilling services, well services, marine support services, and geophysical and surveying services.