Guobo Electronics (SHA:688375) posted first-half attributable net profit of 98.1 million yuan, down 51% from 201.4 million yuan the previous year.
Earnings per share fell to 0.16 yuan from 0.34 yuan, according to a Thursday filing with the Shanghai bourse.
Operating revenue declined 17% year over year to 886.1 million yuan from 1.07 billion yuan.
Shares of the radio frequency components maker were down 3% in recent trade.
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