Its five main business lines are: Sina.com, which provides online news and content services; Sina wireless, which provides mobile value-added services; Sina interactive community, providing services and games; Sina enterprise services, providing search and enterprise services; And Sina e-commerce which provides online shopping services.

Sina.com mainly provides online media and entertainment services, and its development direction is to become a fully functional online life community for Chinese people all over the world. Track the information and cutting-edge technology trends of major IT companies around the world at the first time, and report the latest policies and major news events in the technology industry in a rolling way to provide users with the richest and most vivid information services.

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Including Sina blog, Sina Weibo, Sina podcast, Sina mailbox, Sina photo album, Sina forum, Sina circle, Sina poster board and other product platforms. In Sina interactive community, these products cooperate with each other, creating a virtual living space for users to freely publish information, share resources and make friends.

Weibo is a Weibo service launched by Sina. Sina Weibo has 424 million users. The average daily active users reached 42.3 million. Sina mailbox is a classic product with a long history in Sina interactive community. With 3G mailbox capacity, it can send and receive 30M oversized attachments at a time. Ringback tone is the waiting ring tone preset by the called user before the called user answers the phone.