SigmaStar Technology (SHE:301536) posted first-half attributable net profit of 862.9 million yuan, up 619.5% from 119.9 million yuan in the previous year.
Earnings per share jumped to 2.05 yuan from 0.28 yuan a year earlier, according to a filing with the Shenzhen bourse.
The semiconductor device manufacturer's operating revenue soared 89.4% year over year to 2.66 billion yuan from 1.40 billion yuan.
Separately, the company proposed to distribute a cash dividend of 6.0 yuan per 10 shares to shareholders.