Alibaba Health Information Technology Limited, an investment holding company, engages in the pharmaceutical direct sales, pharmaceutical e-commerce platform, and healthcare and digital services businesses in the People's Republic of China. It offers a range of prescription and over-the-counter drugs, nutritional supplements, medical devices, contact lenses, healthcare food, adult and family planning products, and various other health-related products. The company also provides medical and healthcare services, including medical checkups, testing, medical consultation, appointment-booking, physical examination, consultation, registration, vaccine, dentistry, psychology, optometry, and nursing services, as well as traditional chinese medicines. In addition, it engages in the digital tracking business; asset management; and operation of internet hospitals, as well as provision of network hospital, research, and Internet information services. Further, the company operates Alibaba Health, flagship platform of Alibaba Group for integrated online and offline medical and healthcare resources, providing one-stop healthcare solutions. It provides products and services to business-to-customer and business-to-business customers through offline pharmacy outlets, as well as 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. Alibaba Health Information Technology Limited was incorporated in 1998 and is based in Causeway Bay, Hong Kong.