Sina Corporation, commonly known as Sina, is a Chinese technology company founded in 1998 and headquartered in Beijing, China. It was one of the pioneers of the country's Internet industry and has since become one of the largest Internet and online media companies in China. Sina's headquarters is located in Haidian District, Beijing.

The company's office occupies a modern building complex with state-of-the-art facilities. The headquarters house various departments, including research and development, marketing, sales, and management. Sina offers a wide range of products and services.

Its main products include Sina Weibo, a microblogging platform similar to Twitter, and Sina. com, a leading online portal providing news, entertainment, and business information. The company also operates Sina Mobile, which provides mobile Internet services, as well as Sina Finance, which offers business and financial news and data.

On a global scale, Sina has established various subsidiaries, joint ventures, and partnerships. One notable subsidiary is Weibo Corporation, which was spun off from Sina in 2014 and subsequently listed on the NASDAQ stock exchange. Weibo Corporation operates Sina Weibo and is one of the largest social media platforms in China.

Sina holds a strong market position in China's Internet industry. It is known for its leading online presence, with millions of active users on its platforms. In terms of global sales, Sina has been successful in monetizing its platforms through advertising, partnerships, and value-added services.

Over the years, Sina has achieved several noteworthy events and achievements. One significant milestone was the successful listing of Weibo Corporation, which demonstrated the company's ability to create value separate from its core operations. Sina has also made strategic acquisitions to expand its business portfolio and enhance its technological capabilities.

As of the latest available information, Sina continues to be a major player in China's Internet industry. It remains a popular choice for online media and social networking services, leveraging its strong brand presence and user base. Sina's focus on innovation and strategic partnerships positions it well for future growth and continued success in the digital landscape