China Oilfield Services Ltd. - H Sharesの自己資本比率推移
(単位:百万) | 自己資本比率 | 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.