Hangzhou Jiuyuan Gene Engineering (HKG:2566) reported 90.2 million yuan in attributable profit for the half ended June 30, falling from 105.3 million yuan a year earlier, according to a Hong Kong bourse filing Monday.

Earnings per share were 0.37 yuan, compared with 0.53 yuan in the prior year.

Revenue fell 9% year-on-year to 638.8 million yuan, figures showed.

Shares of the company declined over 4% in late-morning trade Tuesday.