Wanhua Chemical (SHA:600309) posted first-half attributable net profit of 10.1 billion yuan, up 64% from 6.12 billion yuan the previous year.
Earnings per share climbed to 3.21 yuan from 1.95 yuan, according to a Tuesday filing with the Shanghai bourse.
Operating revenue rose 31% year over year to 19.3 billion yuan from 90.9 billion yuan.
The chemical producer declared an interim dividend of 0.81 yuan per share, inclusive of tax.