Sinopec Oilfield Service (SHA:600871, HKG:1033) recorded a 21% decline in attributable profit in the third quarter of 2025 to 176.9 million yuan, a Tuesday Hong Kong bourse filing said.

The oil and gas machinery and equipment manufacturer's earnings per share stood at 0.009 yuan in the three months, with operating income jumping 0.3% to 18.1 billion yuan.

For the nine months ended Sept. 30, attributable profit slumped 1% year over year to 669.1 million yuan, while operating income rose 0.5% to 55.2 billion yuan.