Hengli Petrochemical's (SHA:600346) net profit attributable to shareholders in the first half soared 136% to 7.21 billion yuan from 3.05 billion yuan a year earlier, according to a Shanghai bourse filing on Thursday.
Earnings per share surged 137% year on year to 1.02 yuan from 0.43 yuan.
Operating revenue slipped 5.5% to 98.2 billion yuan from 103.9 billion yuan in the previous year.