Yantai Jereh Oilfield Services' (SHE:002353) attributable profit fell 3.7% to 1.20 billion yuan in the first half from 1.24 billion yuan in the year-ago period, according to a Friday filing with the Shenzhen Stock Exchange.
Earnings per share at the oil equipment manufacturing company decreased to 1.18 yuan from 1.22 yuan in the prior-year period.
Operating revenue grew 11% year over year to 7.65 billion yuan from 6.90 billion yuan.
Shares jumped 5% during morning trading on Friday.