-- Rongsheng Petrochemical (SHE:002493) posted first-quarter attributable net profit of 2.82 billion yuan, up 378% from 588.4 million yuan the previous year.
Earnings per share rose to 0.29 yuan from 0.06 yuan, according to a Tuesday filing with the Shenzhen bourse.
Revenue declined 19% year over year to 60.6 billion yuan from 75.0 billion yuan.
Shares of the petrochemical company rose 3% in recent trade.