Alibaba Health Information Technology Limited is an investment holding company operating in pharmaceutical direct sales, pharmaceutical e-commerce platforms, and healthcare and digital services in the People's Republic of China. It offers prescription and over-the-counter drugs, nutritional supplements, medical devices, contact lenses, healthcare food, adult and family planning products, and other health-related products. The company also provides medical and healthcare services such as medical checkups, testing, consultation, appointment-booking, physical examination, registration, vaccine, dentistry, psychology, optometry, and nursing services, as well as traditional Chinese medicines. Additionally, it engages in digital tracking, asset management, and the operation of internet hospitals, and provides network hospital, research, and Internet information services. It operates Alibaba Health, Alibaba Group's flagship platform for integrated online and offline medical and healthcare resources, offering one-stop healthcare solutions. Products and services are provided to business-to-customer and business-to-business customers through offline pharmacy outlets and online stores such as Tmall, Taobao, Alipay, Taobao Instant Commerce, AMap, DingTalk, Freshippo, and Quark. The company was formerly known as CITIC 21CN Company Limited and changed its name to Alibaba Health Information Technology Limited in September 2014. Incorporated in 1998, it is based in Causeway Bay, Hong Kong.