Xinjiang Daqo New Energy (SHA:688303) posted a first-half attributable net loss of 1.62 billion yuan, compared with 1.15 billion yuan the previous year.
Loss per share widened to 0.74 yuan from 0.53 yuan, according to a Friday filing with the Shanghai bourse.
Operating revenue declined 58% year over year to 622.8 million yuan from 1.47 billion yuan.
Shares of the polysilicon materials manufacturer were up 1% in recent trade.