PharmaResources (Shanghai) Co., Ltd., together with its subsidiaries, operates as a one-stop integrated service provider for new drug research, development, and commercial manufacturing to pharmaceutical and biotechnology companies in China and internationally. The company offers contract research organization (CRO), contract manufacturing organization (CMO), contract development and manufacturing organization (CDMO), and commercial manufacturing services for small molecule drugs. It is also involved in the research, development, and customized/commercial production of active pharmaceutical ingredients and key intermediates, including ticagrelor, oxiracetam, l-carnitine, velpatasvir, peramivir trihydrate, huperzine A, and vitamin K2, as well as design, screening, and optimization of hit compounds and lead compounds; conducting of structural improvements; and provision of preliminary safety screening to obtain candidate compounds with outstanding drug properties and intellectual property rights. In addition, the company provides medicinal chemistry, process research and development, pharmaceutical research, molecular building blocks, and pharmacokinetics services. Further, it engages in pharmaceutical technology research and development activities. PharmaResources (Shanghai) Co., Ltd. was founded in 2007 and is based in Shanghai, China.