Petro-king Oilfield Services Ltd.の売上原価推移
(単位:百万) | 売上原価 | 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.