300288.SZ disclosed its annual report for 2022. During the reporting period, the company realized operating income of 224 million yuan, an increase of 10.38% over the same period last year. Net profit belonging to shareholders of listed companies was 39.8478 million yuan, down 1.52% from the same period last year. Net profit belonging to shareholders of listed companies excluding non-recurring gains and losses was 38.1217 million yuan, up 2.95% year on year; and basic earnings per share was 0.12 yuan.