China Tungsten And Hightech Materials (SHE:000657) posted first-half attributable net profit of 2.08 billion yuan, up 281% from 545.6 million yuan the previous year.
Earnings per share climbed to 0.9112 yuan from 0.2502 yuan, according to a weekend filing with the Shenzhen bourse.
Operating revenue rose 109% year over year to 16.4 billion yuan from 7.86 billion yuan.
Shares of the nonferrous metals company were down 3% in recent trade.