China Oilfield Services Ltd. - H Shares【02883】 HKEX

Provision of oilfield services including drilling services, well services, marine support services, and geophysical and surveying services.

China Oilfield Services Ltd. - H Shares【02883】 HKEX

Provision of oilfield services including drilling services, well services, marine support services, and geophysical and surveying services.