Almost at the same time as Facebook CEO Mark Zuckerberg was asked by the US Congress about the company's dominance in the market, the Chinese company Tencent talked about the social media giant as one of the world's most valuable companies, reports the South China Morning Post.

But what is Tencent for any company really?

What is Wechat, and why does President Trump want to ban it?

Watch the video above for a review!