港股药企接连开启并购，药明合联拟吞下东曜药业

Group 1 - The core event is the acquisition of Dongyao Pharmaceutical by WuXi AppTec, with a premium offer of approximately 99% at HKD 4 per share, aiming for a total expenditure of up to HKD 2.79 billion [1][3] - WuXi AppTec and Dongyao Pharmaceutical are both involved in the Contract Research Organization (CRO) sector, specifically focusing on Antibody-Drug Conjugates (ADC) manufacturing [1][3] - WuXi AppTec's CEO stated that the acquisition aims to address capacity supply constraints due to rapid order growth, as establishing an ADC factory takes about three years [3][4] Group 2 - WuXi AppTec's business encompasses the entire industry chain of ADC, including research and production services, with projected revenue growth exceeding 45% year-on-year by 2025 [3] - Dongyao Pharmaceutical is expected to achieve its first annual profit of HKD 34.76 million in 2024, but is projected to incur losses again in the first three quarters of 2025 [3] - WuXi AppTec plans to invest over HKD 7 billion from 2026 to 2029 for the expansion of facilities related to conjugates, formulations, and linkers, significantly outpacing industry average growth rates [4]