[Donghua Test: first quarter net profit increased 116.20% to 10.2887 million yuan] April 24, Donghua Test released the first quarter report of 2023, the operating income for the reporting period was 71.8689 million yuan, an increase of 54.52% over the same period last year; the net profit belonging to shareholders of listed companies was 10.2887 million yuan, an increase of 116.20% over the same period last year The net profit after deducting non-recurring profits and losses belonging to shareholders of listed companies was 9.8355 million yuan, an increase of 119.21% over the same period last year, and basic earnings per share was 0.0744 yuan.