Yunnan Aluminium's (SHE:000807) net profit attributable to shareholders in the first half soared 178% to 7.68 billion yuan from 2.77 billion yuan a year ago, according to a Shenzhen bourse filing on Friday.
Earnings per share jumped year on year to 2.22 yuan from 0.80 yuan.
Operating revenue rose 20% to almost 35 billion yuan from 29.1 billion yuan in the previous year.
The aluminum company proposed distributing a cash dividend of 8.87 yuan per 10 shares to shareholders.
The company's shares rose 1% during the afternoon trade.