Chinese Internet giant Sina.com could become the biggest loser in the government's crackdown against online pornography as it is set to lose its online publication license due to pornographic content, the official Xinhua News Agency reported Thursday.

The National Office Against Pornographic and Illegal Publications confirmed on Thursday that Sina will be stripped of its Internet publication license, as well as its license for audio and video distribution, Xinhua said.

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Sina.com has been considered the largest Chinese-language infotainment web portal owned and is run by the Sina Corporation.

The statement by the national office said investigators found 20 articles, and four videos posted on Sina.com that were deemed pornographic. The investigation into Sina.com was reportedly conducted following a huge amount of public tip-offs. Sina.com has more than 100 million users around the world.

Following the discovery of lewd and pornographic content on the website, the China's State Administration of Press, Publication, Radio, Film and Television said it will revoke the company's two crucial licenses, which include the online publication permit.

The statement from the anti-pornography office also said that names of people suspected of criminal offenses related to the discovery of the pornographic content on Sina.com have already been forwarded to the police for further investigation.

It was not immediately clear if the revocation of licenses was immediately carried out because a check on Sina's website showed that the site is still up and running.  Sina, the corporation that owns the site, operates Sina Weibo, Sina Mobile, Sina Online and Sina.net

The decision to revoke the license of Sina.com immediately sent its Sina Corp's shares tumbling. Sina is listed on Nasdaq.

Since the re-launching of the national crackdown on online pornography early this year, Chinese authorities have already shut down 110 websites and deleted nearly 7,000 advertisements and 200,000 texts with content that were deemed pornographic.