Sinopec Oilfield Service's (HKG:1033, SHA:600871) attributable profit surged 91% year over year to 224.4 million yuan in the third quarter.

Earnings per share at the Chinese oil and gas machinery and equipment manufacturer increased 100% to 0.012 yuan from a year earlier.

Operating income declined 3.5% to 18.1 billion yuan, according to a Thursday filing with the Hong Kong Exchange.

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