Do-Fluoride New Materials (SHE:002407) posted first-half attributable net profit of 511.9 million yuan, up 897% from 51.3 million yuan the previous year.
Earnings per share rose to 0.43 yuan from 0.04 yuan, according to a Tuesday filing with the Shenzhen bourse.
Operating revenue went up 63% year over year to 7.04 billion yuan from 4.33 billion yuan.
Shares of the chemicals manufacturer declined 3% in recent trade.
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