Petro-king Oilfield Services Ltd.の売上総利益推移
(単位:百万) | 売上総利益 | 前年比 |
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Provision of oilfield technology and oilfield services of an oilfield including drilling, well completion and production enhancement with ancillary activities in trading and manufacturing of oilfield services related products.
Provision of oilfield technology and oilfield services of an oilfield including drilling, well completion and production enhancement with ancillary activities in trading and manufacturing of oilfield services related products.