WuXi AppTec Co., Ltd., an investment holding company, provides research, development, and manufacturing services to discover, develop, and manufacture small molecule drugs, and cell and gene therapies in the People's Republic of China, the United States, Europe, and internationally. The company operates through six segments: WuXi Chemistry, WuXi Testing, WuXi Biology, WuXi ATU, WuXi DDSU, and Others. It offers contract rese