华海药业(600521.SH)：上半年净利润4.09亿元 同比下降45.3%

Group 1 - The company reported a total operating revenue of 4,516.35 million yuan, representing a year-on-year decrease of 11.93% [1] - The net profit attributable to shareholders of the listed company was 409.49 million yuan, down 45.30% year-on-year [1] - The net profit attributable to shareholders after deducting non-recurring gains and losses was 363.42 million yuan, a decline of 52.48% compared to the previous year [1] Group 2 - The company's total R&D investment amounted to 648.76 million yuan, accounting for 14.36% of its operating revenue [1] - R&D investment increased by 23.07% compared to the same period last year [1]