Petro-king Oilfield Services (HKG:2178) reported HK$11.5 million in attributable loss for the first half of 2025, widening from a loss of HK$412,000 a year earlier, according to a Hong Kong bourse filing Thursday.

Loss per share was HK$0.0068, compared with HK$0.0002 in the prior year.

The oilfield technology services company's revenue fell 33% year-on-year to HK$111.3 million, figures showed.

Shares of the company were up 1% in late-morning trade Friday.