JCET Group (SHA:600584) posted first-half attributable net profit of 844.6 million yuan, up 79% from 470.8 million yuan the previous year.
Earnings per share climbed to 0.47 yuan from 0.26 yuan, according to Friday filings with the Shanghai bourse.
Operating revenue rose 4.96% year over year to 19.5 billion yuan from 18.6 billion yuan.
The semiconductor company declared an interim dividend of 0.50 yuan for every 10 shares.
Shares of JCET Group were down 1% in recent trade.