Sina is a leading online media company serving the Chinese and global Chinese communities. Sina was founded in March 1999 and went public on the Nasdaq market in April 2000. Through a digital media network consisting of the portal website Sina.com, Sina Mobile (a mobile portal and Sina News mobile application), Sina Finance (Sina Finance website and Sina Finance mobile application), and the social media platform Weibo (and Weibo mobile application), Sina helps a wide range of users access professional media, content created by institutions and individuals, and share interests and engage in social interaction with others. At the same time, Sina also provides professional services such as financial technology.