According to the news, how many regular users are there on Renren in China?

One of China’s biggest social networking websites has made its stock market debut on the New York Stock Exchange for more than $ 700m. Renren has about 30 million regular users in China. Here’s Mark Gregory.
    Renren was set up by three classmates at a Chinese university in 2005. Its site resembles Facebook, and its origins are also similar. But is it really worth $ 5bn. The opening price was set higher than seemed likely a few days ago, and the shares shot up nearly 40% from that level in the first hours of trading. This despite the fact that Renren was forced to backtrack on claims that it has over 100 million subscribers.